Home / 22,713.10-31,343.85-12,641.38

Finding the Fourth Proportional to 22,713.10, 31,343.85 and 12,641.38

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Solution

The fourth proportional to 22,713.10, 31,343.85 and 12,641.38 is: 17,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.10 : 31,343.85 = 12,641.38 : x
  2. Step 2: Convert to fraction form
    22,713.10/31,343.85 = 12,641.38/x
  3. Step 3: Cross multiply
    22,713.10x = 31,343.85 × 12,641.38
  4. Step 4: Simplify right side
    22,713.10x = 396,229,518.51
  5. Step 5: Solve for x
    x = 396,229,518.51/22,713.10
  6. Step 6: Final answer
    x = 17,444.98

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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.