Home / 10,250.31-15,375.20-2,854.47

Finding the Fourth Proportional to 10,250.31, 15,375.20 and 2,854.47

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Solution

The fourth proportional to 10,250.31, 15,375.20 and 2,854.47 is: 4,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.31 : 15,375.20 = 2,854.47 : x
  2. Step 2: Convert to fraction form
    10,250.31/15,375.20 = 2,854.47/x
  3. Step 3: Cross multiply
    10,250.31x = 15,375.20 × 2,854.47
  4. Step 4: Simplify right side
    10,250.31x = 43,888,047.14
  5. Step 5: Solve for x
    x = 43,888,047.14/10,250.31
  6. Step 6: Final answer
    x = 4,281.63

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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.