Home / 10,522.09-15,772.15-4,279.60

Finding the Fourth Proportional to 10,522.09, 15,772.15 and 4,279.60

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Solution

The fourth proportional to 10,522.09, 15,772.15 and 4,279.60 is: 6,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.09 : 15,772.15 = 4,279.60 : x
  2. Step 2: Convert to fraction form
    10,522.09/15,772.15 = 4,279.60/x
  3. Step 3: Cross multiply
    10,522.09x = 15,772.15 × 4,279.60
  4. Step 4: Simplify right side
    10,522.09x = 67,498,493.14
  5. Step 5: Solve for x
    x = 67,498,493.14/10,522.09
  6. Step 6: Final answer
    x = 6,414.93

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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.