Home / 20,213.04-30,295.70-9,106.68

Finding the Fourth Proportional to 20,213.04, 30,295.70 and 9,106.68

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Solution

The fourth proportional to 20,213.04, 30,295.70 and 9,106.68 is: 13,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.04 : 30,295.70 = 9,106.68 : x
  2. Step 2: Convert to fraction form
    20,213.04/30,295.70 = 9,106.68/x
  3. Step 3: Cross multiply
    20,213.04x = 30,295.70 × 9,106.68
  4. Step 4: Simplify right side
    20,213.04x = 275,893,245.28
  5. Step 5: Solve for x
    x = 275,893,245.28/20,213.04
  6. Step 6: Final answer
    x = 13,649.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 20,214.04, 30,297.20 and 9,107.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.