Home / 11,553.04-17,319.18-4,155.76

Finding the Fourth Proportional to 11,553.04, 17,319.18 and 4,155.76

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Solution

The fourth proportional to 11,553.04, 17,319.18 and 4,155.76 is: 6,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.04 : 17,319.18 = 4,155.76 : x
  2. Step 2: Convert to fraction form
    11,553.04/17,319.18 = 4,155.76/x
  3. Step 3: Cross multiply
    11,553.04x = 17,319.18 × 4,155.76
  4. Step 4: Simplify right side
    11,553.04x = 71,974,355.48
  5. Step 5: Solve for x
    x = 71,974,355.48/11,553.04
  6. Step 6: Final answer
    x = 6,229.91

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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.