Home / 11,254.40-16,891.96-5,711.60

Finding the Fourth Proportional to 11,254.40, 16,891.96 and 5,711.60

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Solution

The fourth proportional to 11,254.40, 16,891.96 and 5,711.60 is: 8,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.40 : 16,891.96 = 5,711.60 : x
  2. Step 2: Convert to fraction form
    11,254.40/16,891.96 = 5,711.60/x
  3. Step 3: Cross multiply
    11,254.40x = 16,891.96 × 5,711.60
  4. Step 4: Simplify right side
    11,254.40x = 96,480,118.74
  5. Step 5: Solve for x
    x = 96,480,118.74/11,254.40
  6. Step 6: Final answer
    x = 8,572.66

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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.