Home / 38,514.24-57,769.20-12,218.40

Finding the Fourth Proportional to 38,514.24, 57,769.20 and 12,218.40

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Solution

The fourth proportional to 38,514.24, 57,769.20 and 12,218.40 is: 18,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.24 : 57,769.20 = 12,218.40 : x
  2. Step 2: Convert to fraction form
    38,514.24/57,769.20 = 12,218.40/x
  3. Step 3: Cross multiply
    38,514.24x = 57,769.20 × 12,218.40
  4. Step 4: Simplify right side
    38,514.24x = 705,847,193.28
  5. Step 5: Solve for x
    x = 705,847,193.28/38,514.24
  6. Step 6: Final answer
    x = 18,326.91

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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.