Home / 11,016.97-15,203.46-5,981.20

Finding the Fourth Proportional to 11,016.97, 15,203.46 and 5,981.20

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Solution

The fourth proportional to 11,016.97, 15,203.46 and 5,981.20 is: 8,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.97 : 15,203.46 = 5,981.20 : x
  2. Step 2: Convert to fraction form
    11,016.97/15,203.46 = 5,981.20/x
  3. Step 3: Cross multiply
    11,016.97x = 15,203.46 × 5,981.20
  4. Step 4: Simplify right side
    11,016.97x = 90,934,934.95
  5. Step 5: Solve for x
    x = 90,934,934.95/11,016.97
  6. Step 6: Final answer
    x = 8,254.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.