Home / 17,118.10-25,677.15-15,793.30

Finding the Fourth Proportional to 17,118.10, 25,677.15 and 15,793.30

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Solution

The fourth proportional to 17,118.10, 25,677.15 and 15,793.30 is: 23,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.10 : 25,677.15 = 15,793.30 : x
  2. Step 2: Convert to fraction form
    17,118.10/25,677.15 = 15,793.30/x
  3. Step 3: Cross multiply
    17,118.10x = 25,677.15 × 15,793.30
  4. Step 4: Simplify right side
    17,118.10x = 405,526,933.10
  5. Step 5: Solve for x
    x = 405,526,933.10/17,118.10
  6. Step 6: Final answer
    x = 23,689.95

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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.