Home / 15,961.26-22,028.07-8,887.68

Finding the Fourth Proportional to 15,961.26, 22,028.07 and 8,887.68

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Solution

The fourth proportional to 15,961.26, 22,028.07 and 8,887.68 is: 12,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.26 : 22,028.07 = 8,887.68 : x
  2. Step 2: Convert to fraction form
    15,961.26/22,028.07 = 8,887.68/x
  3. Step 3: Cross multiply
    15,961.26x = 22,028.07 × 8,887.68
  4. Step 4: Simplify right side
    15,961.26x = 195,778,437.18
  5. Step 5: Solve for x
    x = 195,778,437.18/15,961.26
  6. Step 6: Final answer
    x = 12,265.85

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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.