Home / 10,197.30-15,300.28-3,961.72

Finding the Fourth Proportional to 10,197.30, 15,300.28 and 3,961.72

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Solution

The fourth proportional to 10,197.30, 15,300.28 and 3,961.72 is: 5,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.30 : 15,300.28 = 3,961.72 : x
  2. Step 2: Convert to fraction form
    10,197.30/15,300.28 = 3,961.72/x
  3. Step 3: Cross multiply
    10,197.30x = 15,300.28 × 3,961.72
  4. Step 4: Simplify right side
    10,197.30x = 60,615,425.28
  5. Step 5: Solve for x
    x = 60,615,425.28/10,197.30
  6. Step 6: Final answer
    x = 5,944.26

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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.