Home / 22,637.42-31,239.05-12,565.56

Finding the Fourth Proportional to 22,637.42, 31,239.05 and 12,565.56

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Solution

The fourth proportional to 22,637.42, 31,239.05 and 12,565.56 is: 17,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.42 : 31,239.05 = 12,565.56 : x
  2. Step 2: Convert to fraction form
    22,637.42/31,239.05 = 12,565.56/x
  3. Step 3: Cross multiply
    22,637.42x = 31,239.05 × 12,565.56
  4. Step 4: Simplify right side
    22,637.42x = 392,536,157.12
  5. Step 5: Solve for x
    x = 392,536,157.12/22,637.42
  6. Step 6: Final answer
    x = 17,340.15

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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.