Home / 11,008.16-16,512.80-4,081.04

Finding the Fourth Proportional to 11,008.16, 16,512.80 and 4,081.04

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Solution

The fourth proportional to 11,008.16, 16,512.80 and 4,081.04 is: 6,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.16 : 16,512.80 = 4,081.04 : x
  2. Step 2: Convert to fraction form
    11,008.16/16,512.80 = 4,081.04/x
  3. Step 3: Cross multiply
    11,008.16x = 16,512.80 × 4,081.04
  4. Step 4: Simplify right side
    11,008.16x = 67,389,397.31
  5. Step 5: Solve for x
    x = 67,389,397.31/11,008.16
  6. Step 6: Final answer
    x = 6,121.77

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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.