Home / 10,101.80-15,140.39-4,553.66

Finding the Fourth Proportional to 10,101.80, 15,140.39 and 4,553.66

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Solution

The fourth proportional to 10,101.80, 15,140.39 and 4,553.66 is: 6,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.80 : 15,140.39 = 4,553.66 : x
  2. Step 2: Convert to fraction form
    10,101.80/15,140.39 = 4,553.66/x
  3. Step 3: Cross multiply
    10,101.80x = 15,140.39 × 4,553.66
  4. Step 4: Simplify right side
    10,101.80x = 68,944,089.86
  5. Step 5: Solve for x
    x = 68,944,089.86/10,101.80
  6. Step 6: Final answer
    x = 6,824.93

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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.