Home / 16,122.78-22,249.65-12,082.43

Finding the Fourth Proportional to 16,122.78, 22,249.65 and 12,082.43

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Solution

The fourth proportional to 16,122.78, 22,249.65 and 12,082.43 is: 16,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.78 : 22,249.65 = 12,082.43 : x
  2. Step 2: Convert to fraction form
    16,122.78/22,249.65 = 12,082.43/x
  3. Step 3: Cross multiply
    16,122.78x = 22,249.65 × 12,082.43
  4. Step 4: Simplify right side
    16,122.78x = 268,829,727.40
  5. Step 5: Solve for x
    x = 268,829,727.40/16,122.78
  6. Step 6: Final answer
    x = 16,673.91

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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.