Home / 16,034.90-22,128.11-8,961.32

Finding the Fourth Proportional to 16,034.90, 22,128.11 and 8,961.32

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Solution

The fourth proportional to 16,034.90, 22,128.11 and 8,961.32 is: 12,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,034.90 : 22,128.11 = 8,961.32 : x
  2. Step 2: Convert to fraction form
    16,034.90/22,128.11 = 8,961.32/x
  3. Step 3: Cross multiply
    16,034.90x = 22,128.11 × 8,961.32
  4. Step 4: Simplify right side
    16,034.90x = 198,297,074.71
  5. Step 5: Solve for x
    x = 198,297,074.71/16,034.90
  6. Step 6: Final answer
    x = 12,366.59

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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.