Home / 17,612.35-26,422.64-5,132.61

Finding the Fourth Proportional to 17,612.35, 26,422.64 and 5,132.61

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Solution

The fourth proportional to 17,612.35, 26,422.64 and 5,132.61 is: 7,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.35 : 26,422.64 = 5,132.61 : x
  2. Step 2: Convert to fraction form
    17,612.35/26,422.64 = 5,132.61/x
  3. Step 3: Cross multiply
    17,612.35x = 26,422.64 × 5,132.61
  4. Step 4: Simplify right side
    17,612.35x = 135,617,106.29
  5. Step 5: Solve for x
    x = 135,617,106.29/17,612.35
  6. Step 6: Final answer
    x = 7,700.11

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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.