Home / 12,257.78-18,373.50-4,851.95

Finding the Fourth Proportional to 12,257.78, 18,373.50 and 4,851.95

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Solution

The fourth proportional to 12,257.78, 18,373.50 and 4,851.95 is: 7,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.78 : 18,373.50 = 4,851.95 : x
  2. Step 2: Convert to fraction form
    12,257.78/18,373.50 = 4,851.95/x
  3. Step 3: Cross multiply
    12,257.78x = 18,373.50 × 4,851.95
  4. Step 4: Simplify right side
    12,257.78x = 89,147,211.46
  5. Step 5: Solve for x
    x = 89,147,211.46/12,257.78
  6. Step 6: Final answer
    x = 7,272.71

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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.