Home / 15,610.85-21,542.98-8,537.27

Finding the Fourth Proportional to 15,610.85, 21,542.98 and 8,537.27

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Solution

The fourth proportional to 15,610.85, 21,542.98 and 8,537.27 is: 11,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.85 : 21,542.98 = 8,537.27 : x
  2. Step 2: Convert to fraction form
    15,610.85/21,542.98 = 8,537.27/x
  3. Step 3: Cross multiply
    15,610.85x = 21,542.98 × 8,537.27
  4. Step 4: Simplify right side
    15,610.85x = 183,918,269.57
  5. Step 5: Solve for x
    x = 183,918,269.57/15,610.85
  6. Step 6: Final answer
    x = 11,781.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.