Home / 9,385.28-12,951.72-5,193.56

Finding the Fourth Proportional to 9,385.28, 12,951.72 and 5,193.56

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Solution

The fourth proportional to 9,385.28, 12,951.72 and 5,193.56 is: 7,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.28 : 12,951.72 = 5,193.56 : x
  2. Step 2: Convert to fraction form
    9,385.28/12,951.72 = 5,193.56/x
  3. Step 3: Cross multiply
    9,385.28x = 12,951.72 × 5,193.56
  4. Step 4: Simplify right side
    9,385.28x = 67,265,534.92
  5. Step 5: Solve for x
    x = 67,265,534.92/9,385.28
  6. Step 6: Final answer
    x = 7,167.13

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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.