Home / 21,371.26-32,066.11-11,508.57

Finding the Fourth Proportional to 21,371.26, 32,066.11 and 11,508.57

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Solution

The fourth proportional to 21,371.26, 32,066.11 and 11,508.57 is: 17,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.26 : 32,066.11 = 11,508.57 : x
  2. Step 2: Convert to fraction form
    21,371.26/32,066.11 = 11,508.57/x
  3. Step 3: Cross multiply
    21,371.26x = 32,066.11 × 11,508.57
  4. Step 4: Simplify right side
    21,371.26x = 369,034,991.40
  5. Step 5: Solve for x
    x = 369,034,991.40/21,371.26
  6. Step 6: Final answer
    x = 17,267.82

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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.