Home / 16,230.08-22,377.12-13,242.88

Finding the Fourth Proportional to 16,230.08, 22,377.12 and 13,242.88

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Solution

The fourth proportional to 16,230.08, 22,377.12 and 13,242.88 is: 18,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.08 : 22,377.12 = 13,242.88 : x
  2. Step 2: Convert to fraction form
    16,230.08/22,377.12 = 13,242.88/x
  3. Step 3: Cross multiply
    16,230.08x = 22,377.12 × 13,242.88
  4. Step 4: Simplify right side
    16,230.08x = 296,337,514.91
  5. Step 5: Solve for x
    x = 296,337,514.91/16,230.08
  6. Step 6: Final answer
    x = 18,258.54

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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.