Home / 17,887.78-24,685.24-11,177.30

Finding the Fourth Proportional to 17,887.78, 24,685.24 and 11,177.30

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Solution

The fourth proportional to 17,887.78, 24,685.24 and 11,177.30 is: 15,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.78 : 24,685.24 = 11,177.30 : x
  2. Step 2: Convert to fraction form
    17,887.78/24,685.24 = 11,177.30/x
  3. Step 3: Cross multiply
    17,887.78x = 24,685.24 × 11,177.30
  4. Step 4: Simplify right side
    17,887.78x = 275,914,333.05
  5. Step 5: Solve for x
    x = 275,914,333.05/17,887.78
  6. Step 6: Final answer
    x = 15,424.74

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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.