Home / 11,554.90-15,945.76-6,249.71

Finding the Fourth Proportional to 11,554.90, 15,945.76 and 6,249.71

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Solution

The fourth proportional to 11,554.90, 15,945.76 and 6,249.71 is: 8,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.90 : 15,945.76 = 6,249.71 : x
  2. Step 2: Convert to fraction form
    11,554.90/15,945.76 = 6,249.71/x
  3. Step 3: Cross multiply
    11,554.90x = 15,945.76 × 6,249.71
  4. Step 4: Simplify right side
    11,554.90x = 99,656,375.73
  5. Step 5: Solve for x
    x = 99,656,375.73/11,554.90
  6. Step 6: Final answer
    x = 8,624.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.