Home / 20,206.03-30,309.05-6,166.13

Finding the Fourth Proportional to 20,206.03, 30,309.05 and 6,166.13

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Solution

The fourth proportional to 20,206.03, 30,309.05 and 6,166.13 is: 9,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.03 : 30,309.05 = 6,166.13 : x
  2. Step 2: Convert to fraction form
    20,206.03/30,309.05 = 6,166.13/x
  3. Step 3: Cross multiply
    20,206.03x = 30,309.05 × 6,166.13
  4. Step 4: Simplify right side
    20,206.03x = 186,889,473.76
  5. Step 5: Solve for x
    x = 186,889,473.76/20,206.03
  6. Step 6: Final answer
    x = 9,249.19

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Half scale
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Double scale
Find fourth proportional to 20,207.03, 30,310.55 and 6,167.13
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.