Home / 9,178.38-13,761.90-6,247.80

Finding the Fourth Proportional to 9,178.38, 13,761.90 and 6,247.80

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Solution

The fourth proportional to 9,178.38, 13,761.90 and 6,247.80 is: 9,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.38 : 13,761.90 = 6,247.80 : x
  2. Step 2: Convert to fraction form
    9,178.38/13,761.90 = 6,247.80/x
  3. Step 3: Cross multiply
    9,178.38x = 13,761.90 × 6,247.80
  4. Step 4: Simplify right side
    9,178.38x = 85,981,598.82
  5. Step 5: Solve for x
    x = 85,981,598.82/9,178.38
  6. Step 6: Final answer
    x = 9,367.84

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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.