Home / 12,338.73-18,498.85-4,013.78

Finding the Fourth Proportional to 12,338.73, 18,498.85 and 4,013.78

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Solution

The fourth proportional to 12,338.73, 18,498.85 and 4,013.78 is: 6,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.73 : 18,498.85 = 4,013.78 : x
  2. Step 2: Convert to fraction form
    12,338.73/18,498.85 = 4,013.78/x
  3. Step 3: Cross multiply
    12,338.73x = 18,498.85 × 4,013.78
  4. Step 4: Simplify right side
    12,338.73x = 74,250,211.62
  5. Step 5: Solve for x
    x = 74,250,211.62/12,338.73
  6. Step 6: Final answer
    x = 6,017.65

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1.5x scale

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.