Home / 22,637.12-31,238.91-12,565.52

Finding the Fourth Proportional to 22,637.12, 31,238.91 and 12,565.52

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Solution

The fourth proportional to 22,637.12, 31,238.91 and 12,565.52 is: 17,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.12 : 31,238.91 = 12,565.52 : x
  2. Step 2: Convert to fraction form
    22,637.12/31,238.91 = 12,565.52/x
  3. Step 3: Cross multiply
    22,637.12x = 31,238.91 × 12,565.52
  4. Step 4: Simplify right side
    22,637.12x = 392,533,148.38
  5. Step 5: Solve for x
    x = 392,533,148.38/22,637.12
  6. Step 6: Final answer
    x = 17,340.24

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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.