Home / 17,876.25-24,668.55-9,917.91

Finding the Fourth Proportional to 17,876.25, 24,668.55 and 9,917.91

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Solution

The fourth proportional to 17,876.25, 24,668.55 and 9,917.91 is: 13,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.25 : 24,668.55 = 9,917.91 : x
  2. Step 2: Convert to fraction form
    17,876.25/24,668.55 = 9,917.91/x
  3. Step 3: Cross multiply
    17,876.25x = 24,668.55 × 9,917.91
  4. Step 4: Simplify right side
    17,876.25x = 244,660,458.73
  5. Step 5: Solve for x
    x = 244,660,458.73/17,876.25
  6. Step 6: Final answer
    x = 13,686.34

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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.