Home / 20,276.56-30,414.88-6,425.52

Finding the Fourth Proportional to 20,276.56, 30,414.88 and 6,425.52

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Solution

The fourth proportional to 20,276.56, 30,414.88 and 6,425.52 is: 9,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.56 : 30,414.88 = 6,425.52 : x
  2. Step 2: Convert to fraction form
    20,276.56/30,414.88 = 6,425.52/x
  3. Step 3: Cross multiply
    20,276.56x = 30,414.88 × 6,425.52
  4. Step 4: Simplify right side
    20,276.56x = 195,431,419.74
  5. Step 5: Solve for x
    x = 195,431,419.74/20,276.56
  6. Step 6: Final answer
    x = 9,638.29

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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.