Home / 11,080.65-16,612.20-5,531.13

Finding the Fourth Proportional to 11,080.65, 16,612.20 and 5,531.13

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Solution

The fourth proportional to 11,080.65, 16,612.20 and 5,531.13 is: 8,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.65 : 16,612.20 = 5,531.13 : x
  2. Step 2: Convert to fraction form
    11,080.65/16,612.20 = 5,531.13/x
  3. Step 3: Cross multiply
    11,080.65x = 16,612.20 × 5,531.13
  4. Step 4: Simplify right side
    11,080.65x = 91,884,237.79
  5. Step 5: Solve for x
    x = 91,884,237.79/11,080.65
  6. Step 6: Final answer
    x = 8,292.31

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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.