Home / 13,008.86-19,517.68-4,125.66

Finding the Fourth Proportional to 13,008.86, 19,517.68 and 4,125.66

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Solution

The fourth proportional to 13,008.86, 19,517.68 and 4,125.66 is: 6,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.86 : 19,517.68 = 4,125.66 : x
  2. Step 2: Convert to fraction form
    13,008.86/19,517.68 = 4,125.66/x
  3. Step 3: Cross multiply
    13,008.86x = 19,517.68 × 4,125.66
  4. Step 4: Simplify right side
    13,008.86x = 80,523,311.67
  5. Step 5: Solve for x
    x = 80,523,311.67/13,008.86
  6. Step 6: Final answer
    x = 6,189.88

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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.