Home / 15,144.92-22,692.18-5,278.76

Finding the Fourth Proportional to 15,144.92, 22,692.18 and 5,278.76

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Solution

The fourth proportional to 15,144.92, 22,692.18 and 5,278.76 is: 7,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.92 : 22,692.18 = 5,278.76 : x
  2. Step 2: Convert to fraction form
    15,144.92/22,692.18 = 5,278.76/x
  3. Step 3: Cross multiply
    15,144.92x = 22,692.18 × 5,278.76
  4. Step 4: Simplify right side
    15,144.92x = 119,786,572.10
  5. Step 5: Solve for x
    x = 119,786,572.10/15,144.92
  6. Step 6: Final answer
    x = 7,909.36

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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.