Home / 22,685.60-31,305.30-12,614.46

Finding the Fourth Proportional to 22,685.60, 31,305.30 and 12,614.46

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Solution

The fourth proportional to 22,685.60, 31,305.30 and 12,614.46 is: 17,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.60 : 31,305.30 = 12,614.46 : x
  2. Step 2: Convert to fraction form
    22,685.60/31,305.30 = 12,614.46/x
  3. Step 3: Cross multiply
    22,685.60x = 31,305.30 × 12,614.46
  4. Step 4: Simplify right side
    22,685.60x = 394,899,454.64
  5. Step 5: Solve for x
    x = 394,899,454.64/22,685.60
  6. Step 6: Final answer
    x = 17,407.50

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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.