Home / 15,635.64-23,451.30-3,948.15

Finding the Fourth Proportional to 15,635.64, 23,451.30 and 3,948.15

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Solution

The fourth proportional to 15,635.64, 23,451.30 and 3,948.15 is: 5,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.64 : 23,451.30 = 3,948.15 : x
  2. Step 2: Convert to fraction form
    15,635.64/23,451.30 = 3,948.15/x
  3. Step 3: Cross multiply
    15,635.64x = 23,451.30 × 3,948.15
  4. Step 4: Simplify right side
    15,635.64x = 92,589,250.10
  5. Step 5: Solve for x
    x = 92,589,250.10/15,635.64
  6. Step 6: Final answer
    x = 5,921.68

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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.