Home / 11,326.56-16,987.28-4,305.12

Finding the Fourth Proportional to 11,326.56, 16,987.28 and 4,305.12

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Solution

The fourth proportional to 11,326.56, 16,987.28 and 4,305.12 is: 6,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.56 : 16,987.28 = 4,305.12 : x
  2. Step 2: Convert to fraction form
    11,326.56/16,987.28 = 4,305.12/x
  3. Step 3: Cross multiply
    11,326.56x = 16,987.28 × 4,305.12
  4. Step 4: Simplify right side
    11,326.56x = 73,132,278.87
  5. Step 5: Solve for x
    x = 73,132,278.87/11,326.56
  6. Step 6: Final answer
    x = 6,456.71

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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.