Home / 22,733.95-31,374.43-13,781.83

Finding the Fourth Proportional to 22,733.95, 31,374.43 and 13,781.83

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Solution

The fourth proportional to 22,733.95, 31,374.43 and 13,781.83 is: 19,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.95 : 31,374.43 = 13,781.83 : x
  2. Step 2: Convert to fraction form
    22,733.95/31,374.43 = 13,781.83/x
  3. Step 3: Cross multiply
    22,733.95x = 31,374.43 × 13,781.83
  4. Step 4: Simplify right side
    22,733.95x = 432,397,156.27
  5. Step 5: Solve for x
    x = 432,397,156.27/22,733.95
  6. Step 6: Final answer
    x = 19,019.88

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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.