Home / 11,288.66-16,938.79-5,372.25

Finding the Fourth Proportional to 11,288.66, 16,938.79 and 5,372.25

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Solution

The fourth proportional to 11,288.66, 16,938.79 and 5,372.25 is: 8,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.66 : 16,938.79 = 5,372.25 : x
  2. Step 2: Convert to fraction form
    11,288.66/16,938.79 = 5,372.25/x
  3. Step 3: Cross multiply
    11,288.66x = 16,938.79 × 5,372.25
  4. Step 4: Simplify right side
    11,288.66x = 90,999,414.58
  5. Step 5: Solve for x
    x = 90,999,414.58/11,288.66
  6. Step 6: Final answer
    x = 8,061.14

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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.