Home / 16,230.72-22,391.28-9,512.94

Finding the Fourth Proportional to 16,230.72, 22,391.28 and 9,512.94

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Solution

The fourth proportional to 16,230.72, 22,391.28 and 9,512.94 is: 13,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.72 : 22,391.28 = 9,512.94 : x
  2. Step 2: Convert to fraction form
    16,230.72/22,391.28 = 9,512.94/x
  3. Step 3: Cross multiply
    16,230.72x = 22,391.28 × 9,512.94
  4. Step 4: Simplify right side
    16,230.72x = 213,006,903.16
  5. Step 5: Solve for x
    x = 213,006,903.16/16,230.72
  6. Step 6: Final answer
    x = 13,123.69

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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.