Home / 22,713.63-31,344.98-12,642.50

Finding the Fourth Proportional to 22,713.63, 31,344.98 and 12,642.50

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Solution

The fourth proportional to 22,713.63, 31,344.98 and 12,642.50 is: 17,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.63 : 31,344.98 = 12,642.50 : x
  2. Step 2: Convert to fraction form
    22,713.63/31,344.98 = 12,642.50/x
  3. Step 3: Cross multiply
    22,713.63x = 31,344.98 × 12,642.50
  4. Step 4: Simplify right side
    22,713.63x = 396,278,689.71
  5. Step 5: Solve for x
    x = 396,278,689.71/22,713.63
  6. Step 6: Final answer
    x = 17,446.74

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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.