Home / 10,203.12-15,301.80-3,961.92

Finding the Fourth Proportional to 10,203.12, 15,301.80 and 3,961.92

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Solution

The fourth proportional to 10,203.12, 15,301.80 and 3,961.92 is: 5,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.12 : 15,301.80 = 3,961.92 : x
  2. Step 2: Convert to fraction form
    10,203.12/15,301.80 = 3,961.92/x
  3. Step 3: Cross multiply
    10,203.12x = 15,301.80 × 3,961.92
  4. Step 4: Simplify right side
    10,203.12x = 60,624,507.46
  5. Step 5: Solve for x
    x = 60,624,507.46/10,203.12
  6. Step 6: Final answer
    x = 5,941.76

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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.