Home / 15,428.12-23,142.17-5,567.38

Finding the Fourth Proportional to 15,428.12, 23,142.17 and 5,567.38

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Solution

The fourth proportional to 15,428.12, 23,142.17 and 5,567.38 is: 8,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.12 : 23,142.17 = 5,567.38 : x
  2. Step 2: Convert to fraction form
    15,428.12/23,142.17 = 5,567.38/x
  3. Step 3: Cross multiply
    15,428.12x = 23,142.17 × 5,567.38
  4. Step 4: Simplify right side
    15,428.12x = 128,841,210.48
  5. Step 5: Solve for x
    x = 128,841,210.48/15,428.12
  6. Step 6: Final answer
    x = 8,351.07

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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.