Home / 16,310.76-22,554.17-12,947.75

Finding the Fourth Proportional to 16,310.76, 22,554.17 and 12,947.75

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Solution

The fourth proportional to 16,310.76, 22,554.17 and 12,947.75 is: 17,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.76 : 22,554.17 = 12,947.75 : x
  2. Step 2: Convert to fraction form
    16,310.76/22,554.17 = 12,947.75/x
  3. Step 3: Cross multiply
    16,310.76x = 22,554.17 × 12,947.75
  4. Step 4: Simplify right side
    16,310.76x = 292,025,577.11
  5. Step 5: Solve for x
    x = 292,025,577.11/16,310.76
  6. Step 6: Final answer
    x = 17,903.86

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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.