Home / 16,137.28-22,273.91-11,358.28

Finding the Fourth Proportional to 16,137.28, 22,273.91 and 11,358.28

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Solution

The fourth proportional to 16,137.28, 22,273.91 and 11,358.28 is: 15,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,137.28 : 22,273.91 = 11,358.28 : x
  2. Step 2: Convert to fraction form
    16,137.28/22,273.91 = 11,358.28/x
  3. Step 3: Cross multiply
    16,137.28x = 22,273.91 × 11,358.28
  4. Step 4: Simplify right side
    16,137.28x = 252,993,306.47
  5. Step 5: Solve for x
    x = 252,993,306.47/16,137.28
  6. Step 6: Final answer
    x = 15,677.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.