Home / 10,427.28-15,625.24-4,181.12

Finding the Fourth Proportional to 10,427.28, 15,625.24 and 4,181.12

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Solution

The fourth proportional to 10,427.28, 15,625.24 and 4,181.12 is: 6,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.28 : 15,625.24 = 4,181.12 : x
  2. Step 2: Convert to fraction form
    10,427.28/15,625.24 = 4,181.12/x
  3. Step 3: Cross multiply
    10,427.28x = 15,625.24 × 4,181.12
  4. Step 4: Simplify right side
    10,427.28x = 65,331,003.47
  5. Step 5: Solve for x
    x = 65,331,003.47/10,427.28
  6. Step 6: Final answer
    x = 6,265.39

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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.