Home / 22,664.24-31,278.76-13,713.95

Finding the Fourth Proportional to 22,664.24, 31,278.76 and 13,713.95

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Solution

The fourth proportional to 22,664.24, 31,278.76 and 13,713.95 is: 18,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.24 : 31,278.76 = 13,713.95 : x
  2. Step 2: Convert to fraction form
    22,664.24/31,278.76 = 13,713.95/x
  3. Step 3: Cross multiply
    22,664.24x = 31,278.76 × 13,713.95
  4. Step 4: Simplify right side
    22,664.24x = 428,955,160.02
  5. Step 5: Solve for x
    x = 428,955,160.02/22,664.24
  6. Step 6: Final answer
    x = 18,926.52

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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.