Home / 17,508.38-24,161.56-11,220.75

Finding the Fourth Proportional to 17,508.38, 24,161.56 and 11,220.75

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Solution

The fourth proportional to 17,508.38, 24,161.56 and 11,220.75 is: 15,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.38 : 24,161.56 = 11,220.75 : x
  2. Step 2: Convert to fraction form
    17,508.38/24,161.56 = 11,220.75/x
  3. Step 3: Cross multiply
    17,508.38x = 24,161.56 × 11,220.75
  4. Step 4: Simplify right side
    17,508.38x = 271,110,796.32
  5. Step 5: Solve for x
    x = 271,110,796.32/17,508.38
  6. Step 6: Final answer
    x = 15,484.64

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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.