Home / 10,140.80-15,232.32-6,247.04

Finding the Fourth Proportional to 10,140.80, 15,232.32 and 6,247.04

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Solution

The fourth proportional to 10,140.80, 15,232.32 and 6,247.04 is: 9,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.80 : 15,232.32 = 6,247.04 : x
  2. Step 2: Convert to fraction form
    10,140.80/15,232.32 = 6,247.04/x
  3. Step 3: Cross multiply
    10,140.80x = 15,232.32 × 6,247.04
  4. Step 4: Simplify right side
    10,140.80x = 95,156,912.33
  5. Step 5: Solve for x
    x = 95,156,912.33/10,140.80
  6. Step 6: Final answer
    x = 9,383.57

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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.