Home / 10,261.81-15,394.79-3,242.92

Finding the Fourth Proportional to 10,261.81, 15,394.79 and 3,242.92

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Solution

The fourth proportional to 10,261.81, 15,394.79 and 3,242.92 is: 4,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.81 : 15,394.79 = 3,242.92 : x
  2. Step 2: Convert to fraction form
    10,261.81/15,394.79 = 3,242.92/x
  3. Step 3: Cross multiply
    10,261.81x = 15,394.79 × 3,242.92
  4. Step 4: Simplify right side
    10,261.81x = 49,924,072.39
  5. Step 5: Solve for x
    x = 49,924,072.39/10,261.81
  6. Step 6: Final answer
    x = 4,865.04

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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.