Home / 15,695.10-23,542.65-12,195.90

Finding the Fourth Proportional to 15,695.10, 23,542.65 and 12,195.90

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Solution

The fourth proportional to 15,695.10, 23,542.65 and 12,195.90 is: 18,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.10 : 23,542.65 = 12,195.90 : x
  2. Step 2: Convert to fraction form
    15,695.10/23,542.65 = 12,195.90/x
  3. Step 3: Cross multiply
    15,695.10x = 23,542.65 × 12,195.90
  4. Step 4: Simplify right side
    15,695.10x = 287,123,805.14
  5. Step 5: Solve for x
    x = 287,123,805.14/15,695.10
  6. Step 6: Final answer
    x = 18,293.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.