Home / 10,242.50-15,364.11-5,857.94

Finding the Fourth Proportional to 10,242.50, 15,364.11 and 5,857.94

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Solution

The fourth proportional to 10,242.50, 15,364.11 and 5,857.94 is: 8,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.50 : 15,364.11 = 5,857.94 : x
  2. Step 2: Convert to fraction form
    10,242.50/15,364.11 = 5,857.94/x
  3. Step 3: Cross multiply
    10,242.50x = 15,364.11 × 5,857.94
  4. Step 4: Simplify right side
    10,242.50x = 90,002,034.53
  5. Step 5: Solve for x
    x = 90,002,034.53/10,242.50
  6. Step 6: Final answer
    x = 8,787.12

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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.