Home / 10,266.80-15,375.90-6,330.20

Finding the Fourth Proportional to 10,266.80, 15,375.90 and 6,330.20

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Solution

The fourth proportional to 10,266.80, 15,375.90 and 6,330.20 is: 9,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.80 : 15,375.90 = 6,330.20 : x
  2. Step 2: Convert to fraction form
    10,266.80/15,375.90 = 6,330.20/x
  3. Step 3: Cross multiply
    10,266.80x = 15,375.90 × 6,330.20
  4. Step 4: Simplify right side
    10,266.80x = 97,332,522.18
  5. Step 5: Solve for x
    x = 97,332,522.18/10,266.80
  6. Step 6: Final answer
    x = 9,480.32

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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.