Home / 10,512.25-15,772.57-4,272.75

Finding the Fourth Proportional to 10,512.25, 15,772.57 and 4,272.75

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Solution

The fourth proportional to 10,512.25, 15,772.57 and 4,272.75 is: 6,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.25 : 15,772.57 = 4,272.75 : x
  2. Step 2: Convert to fraction form
    10,512.25/15,772.57 = 4,272.75/x
  3. Step 3: Cross multiply
    10,512.25x = 15,772.57 × 4,272.75
  4. Step 4: Simplify right side
    10,512.25x = 67,392,248.47
  5. Step 5: Solve for x
    x = 67,392,248.47/10,512.25
  6. Step 6: Final answer
    x = 6,410.83

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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.