Home / 16,278.12-24,418.62-8,879.40

Finding the Fourth Proportional to 16,278.12, 24,418.62 and 8,879.40

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Solution

The fourth proportional to 16,278.12, 24,418.62 and 8,879.40 is: 13,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.12 : 24,418.62 = 8,879.40 : x
  2. Step 2: Convert to fraction form
    16,278.12/24,418.62 = 8,879.40/x
  3. Step 3: Cross multiply
    16,278.12x = 24,418.62 × 8,879.40
  4. Step 4: Simplify right side
    16,278.12x = 216,822,694.43
  5. Step 5: Solve for x
    x = 216,822,694.43/16,278.12
  6. Step 6: Final answer
    x = 13,319.89

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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.