Home / 10,273.80-15,414.30-3,700.20

Finding the Fourth Proportional to 10,273.80, 15,414.30 and 3,700.20

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Solution

The fourth proportional to 10,273.80, 15,414.30 and 3,700.20 is: 5,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.80 : 15,414.30 = 3,700.20 : x
  2. Step 2: Convert to fraction form
    10,273.80/15,414.30 = 3,700.20/x
  3. Step 3: Cross multiply
    10,273.80x = 15,414.30 × 3,700.20
  4. Step 4: Simplify right side
    10,273.80x = 57,035,992.86
  5. Step 5: Solve for x
    x = 57,035,992.86/10,273.80
  6. Step 6: Final answer
    x = 5,551.60

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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.