Home / 10,234.16-15,351.18-2,838.54

Finding the Fourth Proportional to 10,234.16, 15,351.18 and 2,838.54

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Solution

The fourth proportional to 10,234.16, 15,351.18 and 2,838.54 is: 4,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.16 : 15,351.18 = 2,838.54 : x
  2. Step 2: Convert to fraction form
    10,234.16/15,351.18 = 2,838.54/x
  3. Step 3: Cross multiply
    10,234.16x = 15,351.18 × 2,838.54
  4. Step 4: Simplify right side
    10,234.16x = 43,574,938.48
  5. Step 5: Solve for x
    x = 43,574,938.48/10,234.16
  6. Step 6: Final answer
    x = 4,257.79

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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.