Home / 12,403.10-18,604.65-3,169.10

Finding the Fourth Proportional to 12,403.10, 18,604.65 and 3,169.10

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Solution

The fourth proportional to 12,403.10, 18,604.65 and 3,169.10 is: 4,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.10 : 18,604.65 = 3,169.10 : x
  2. Step 2: Convert to fraction form
    12,403.10/18,604.65 = 3,169.10/x
  3. Step 3: Cross multiply
    12,403.10x = 18,604.65 × 3,169.10
  4. Step 4: Simplify right side
    12,403.10x = 58,959,996.32
  5. Step 5: Solve for x
    x = 58,959,996.32/12,403.10
  6. Step 6: Final answer
    x = 4,753.65

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Similar ratio
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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.