Home / 10,371.20-15,550.54-4,132.18

Finding the Fourth Proportional to 10,371.20, 15,550.54 and 4,132.18

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Solution

The fourth proportional to 10,371.20, 15,550.54 and 4,132.18 is: 6,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.20 : 15,550.54 = 4,132.18 : x
  2. Step 2: Convert to fraction form
    10,371.20/15,550.54 = 4,132.18/x
  3. Step 3: Cross multiply
    10,371.20x = 15,550.54 × 4,132.18
  4. Step 4: Simplify right side
    10,371.20x = 64,257,552.62
  5. Step 5: Solve for x
    x = 64,257,552.62/10,371.20
  6. Step 6: Final answer
    x = 6,195.77

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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.