Home / 13,932.05-20,897.28-10,187.66

Finding the Fourth Proportional to 13,932.05, 20,897.28 and 10,187.66

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Solution

The fourth proportional to 13,932.05, 20,897.28 and 10,187.66 is: 15,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.05 : 20,897.28 = 10,187.66 : x
  2. Step 2: Convert to fraction form
    13,932.05/20,897.28 = 10,187.66/x
  3. Step 3: Cross multiply
    13,932.05x = 20,897.28 × 10,187.66
  4. Step 4: Simplify right side
    13,932.05x = 212,894,279.08
  5. Step 5: Solve for x
    x = 212,894,279.08/13,932.05
  6. Step 6: Final answer
    x = 15,280.91

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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.