Home / 20,397.88-30,601.44-7,250.20

Finding the Fourth Proportional to 20,397.88, 30,601.44 and 7,250.20

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Solution

The fourth proportional to 20,397.88, 30,601.44 and 7,250.20 is: 10,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.88 : 30,601.44 = 7,250.20 : x
  2. Step 2: Convert to fraction form
    20,397.88/30,601.44 = 7,250.20/x
  3. Step 3: Cross multiply
    20,397.88x = 30,601.44 × 7,250.20
  4. Step 4: Simplify right side
    20,397.88x = 221,866,560.29
  5. Step 5: Solve for x
    x = 221,866,560.29/20,397.88
  6. Step 6: Final answer
    x = 10,876.94

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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.