Home / 10,286.30-15,427.02-4,439.72

Finding the Fourth Proportional to 10,286.30, 15,427.02 and 4,439.72

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Solution

The fourth proportional to 10,286.30, 15,427.02 and 4,439.72 is: 6,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.30 : 15,427.02 = 4,439.72 : x
  2. Step 2: Convert to fraction form
    10,286.30/15,427.02 = 4,439.72/x
  3. Step 3: Cross multiply
    10,286.30x = 15,427.02 × 4,439.72
  4. Step 4: Simplify right side
    10,286.30x = 68,491,649.23
  5. Step 5: Solve for x
    x = 68,491,649.23/10,286.30
  6. Step 6: Final answer
    x = 6,658.53

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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.