Home / 11,020.97-16,612.80-10,377.97

Finding the Fourth Proportional to 11,020.97, 16,612.80 and 10,377.97

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Solution

The fourth proportional to 11,020.97, 16,612.80 and 10,377.97 is: 15,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.97 : 16,612.80 = 10,377.97 : x
  2. Step 2: Convert to fraction form
    11,020.97/16,612.80 = 10,377.97/x
  3. Step 3: Cross multiply
    11,020.97x = 16,612.80 × 10,377.97
  4. Step 4: Simplify right side
    11,020.97x = 172,407,140.02
  5. Step 5: Solve for x
    x = 172,407,140.02/11,020.97
  6. Step 6: Final answer
    x = 15,643.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.