Home / 10,366.24-15,542.88-3,439.12

Finding the Fourth Proportional to 10,366.24, 15,542.88 and 3,439.12

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Solution

The fourth proportional to 10,366.24, 15,542.88 and 3,439.12 is: 5,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.24 : 15,542.88 = 3,439.12 : x
  2. Step 2: Convert to fraction form
    10,366.24/15,542.88 = 3,439.12/x
  3. Step 3: Cross multiply
    10,366.24x = 15,542.88 × 3,439.12
  4. Step 4: Simplify right side
    10,366.24x = 53,453,829.47
  5. Step 5: Solve for x
    x = 53,453,829.47/10,366.24
  6. Step 6: Final answer
    x = 5,156.53

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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.