Home / 11,114.74-15,343.92-8,591.16

Finding the Fourth Proportional to 11,114.74, 15,343.92 and 8,591.16

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Solution

The fourth proportional to 11,114.74, 15,343.92 and 8,591.16 is: 11,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.74 : 15,343.92 = 8,591.16 : x
  2. Step 2: Convert to fraction form
    11,114.74/15,343.92 = 8,591.16/x
  3. Step 3: Cross multiply
    11,114.74x = 15,343.92 × 8,591.16
  4. Step 4: Simplify right side
    11,114.74x = 131,821,995.03
  5. Step 5: Solve for x
    x = 131,821,995.03/11,114.74
  6. Step 6: Final answer
    x = 11,860.11

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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.