Home / 11,589.09-17,380.88-5,345.19

Finding the Fourth Proportional to 11,589.09, 17,380.88 and 5,345.19

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Solution

The fourth proportional to 11,589.09, 17,380.88 and 5,345.19 is: 8,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.09 : 17,380.88 = 5,345.19 : x
  2. Step 2: Convert to fraction form
    11,589.09/17,380.88 = 5,345.19/x
  3. Step 3: Cross multiply
    11,589.09x = 17,380.88 × 5,345.19
  4. Step 4: Simplify right side
    11,589.09x = 92,904,079.24
  5. Step 5: Solve for x
    x = 92,904,079.24/11,589.09
  6. Step 6: Final answer
    x = 8,016.51

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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.