Home / 20,303.49-30,441.38-10,817.23

Finding the Fourth Proportional to 20,303.49, 30,441.38 and 10,817.23

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Solution

The fourth proportional to 20,303.49, 30,441.38 and 10,817.23 is: 16,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.49 : 30,441.38 = 10,817.23 : x
  2. Step 2: Convert to fraction form
    20,303.49/30,441.38 = 10,817.23/x
  3. Step 3: Cross multiply
    20,303.49x = 30,441.38 × 10,817.23
  4. Step 4: Simplify right side
    20,303.49x = 329,291,202.68
  5. Step 5: Solve for x
    x = 329,291,202.68/20,303.49
  6. Step 6: Final answer
    x = 16,218.45

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Half scale
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Double scale
Find fourth proportional to 20,304.49, 30,442.87 and 10,818.23
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.