Home / 11,305.08-16,959.24-4,287.66

Finding the Fourth Proportional to 11,305.08, 16,959.24 and 4,287.66

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Solution

The fourth proportional to 11,305.08, 16,959.24 and 4,287.66 is: 6,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.08 : 16,959.24 = 4,287.66 : x
  2. Step 2: Convert to fraction form
    11,305.08/16,959.24 = 4,287.66/x
  3. Step 3: Cross multiply
    11,305.08x = 16,959.24 × 4,287.66
  4. Step 4: Simplify right side
    11,305.08x = 72,715,454.98
  5. Step 5: Solve for x
    x = 72,715,454.98/11,305.08
  6. Step 6: Final answer
    x = 6,432.10

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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.