Home / 9,147.28-13,717.08-3,599.76

Finding the Fourth Proportional to 9,147.28, 13,717.08 and 3,599.76

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Solution

The fourth proportional to 9,147.28, 13,717.08 and 3,599.76 is: 5,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.28 : 13,717.08 = 3,599.76 : x
  2. Step 2: Convert to fraction form
    9,147.28/13,717.08 = 3,599.76/x
  3. Step 3: Cross multiply
    9,147.28x = 13,717.08 × 3,599.76
  4. Step 4: Simplify right side
    9,147.28x = 49,378,195.90
  5. Step 5: Solve for x
    x = 49,378,195.90/9,147.28
  6. Step 6: Final answer
    x = 5,398.13

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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.