Home / 11,589.20-17,381.12-6,910.52

Finding the Fourth Proportional to 11,589.20, 17,381.12 and 6,910.52

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Solution

The fourth proportional to 11,589.20, 17,381.12 and 6,910.52 is: 10,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.20 : 17,381.12 = 6,910.52 : x
  2. Step 2: Convert to fraction form
    11,589.20/17,381.12 = 6,910.52/x
  3. Step 3: Cross multiply
    11,589.20x = 17,381.12 × 6,910.52
  4. Step 4: Simplify right side
    11,589.20x = 120,112,577.38
  5. Step 5: Solve for x
    x = 120,112,577.38/11,589.20
  6. Step 6: Final answer
    x = 10,364.18

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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.