Home / 11,187.47-16,780.82-2,867.56

Finding the Fourth Proportional to 11,187.47, 16,780.82 and 2,867.56

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Solution

The fourth proportional to 11,187.47, 16,780.82 and 2,867.56 is: 4,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.47 : 16,780.82 = 2,867.56 : x
  2. Step 2: Convert to fraction form
    11,187.47/16,780.82 = 2,867.56/x
  3. Step 3: Cross multiply
    11,187.47x = 16,780.82 × 2,867.56
  4. Step 4: Simplify right side
    11,187.47x = 48,119,951.91
  5. Step 5: Solve for x
    x = 48,119,951.91/11,187.47
  6. Step 6: Final answer
    x = 4,301.24

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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.