Home / 17,691.11-26,532.41-5,207.74

Finding the Fourth Proportional to 17,691.11, 26,532.41 and 5,207.74

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Solution

The fourth proportional to 17,691.11, 26,532.41 and 5,207.74 is: 7,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.11 : 26,532.41 = 5,207.74 : x
  2. Step 2: Convert to fraction form
    17,691.11/26,532.41 = 5,207.74/x
  3. Step 3: Cross multiply
    17,691.11x = 26,532.41 × 5,207.74
  4. Step 4: Simplify right side
    17,691.11x = 138,173,800.48
  5. Step 5: Solve for x
    x = 138,173,800.48/17,691.11
  6. Step 6: Final answer
    x = 7,810.35

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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.