Home / 11,520.39-17,260.32-5,589.18

Finding the Fourth Proportional to 11,520.39, 17,260.32 and 5,589.18

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Solution

The fourth proportional to 11,520.39, 17,260.32 and 5,589.18 is: 8,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.39 : 17,260.32 = 5,589.18 : x
  2. Step 2: Convert to fraction form
    11,520.39/17,260.32 = 5,589.18/x
  3. Step 3: Cross multiply
    11,520.39x = 17,260.32 × 5,589.18
  4. Step 4: Simplify right side
    11,520.39x = 96,471,035.34
  5. Step 5: Solve for x
    x = 96,471,035.34/11,520.39
  6. Step 6: Final answer
    x = 8,373.94

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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.