Home / 11,182.78-16,772.18-4,161.16

Finding the Fourth Proportional to 11,182.78, 16,772.18 and 4,161.16

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Solution

The fourth proportional to 11,182.78, 16,772.18 and 4,161.16 is: 6,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.78 : 16,772.18 = 4,161.16 : x
  2. Step 2: Convert to fraction form
    11,182.78/16,772.18 = 4,161.16/x
  3. Step 3: Cross multiply
    11,182.78x = 16,772.18 × 4,161.16
  4. Step 4: Simplify right side
    11,182.78x = 69,791,724.53
  5. Step 5: Solve for x
    x = 69,791,724.53/11,182.78
  6. Step 6: Final answer
    x = 6,241.00

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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.