Home / 15,397.29-21,246.91-9,023.13

Finding the Fourth Proportional to 15,397.29, 21,246.91 and 9,023.13

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Solution

The fourth proportional to 15,397.29, 21,246.91 and 9,023.13 is: 12,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.29 : 21,246.91 = 9,023.13 : x
  2. Step 2: Convert to fraction form
    15,397.29/21,246.91 = 9,023.13/x
  3. Step 3: Cross multiply
    15,397.29x = 21,246.91 × 9,023.13
  4. Step 4: Simplify right side
    15,397.29x = 191,713,608.47
  5. Step 5: Solve for x
    x = 191,713,608.47/15,397.29
  6. Step 6: Final answer
    x = 12,451.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.