Home / 17,721.97-26,566.54-9,925.31

Finding the Fourth Proportional to 17,721.97, 26,566.54 and 9,925.31

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Solution

The fourth proportional to 17,721.97, 26,566.54 and 9,925.31 is: 14,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.97 : 26,566.54 = 9,925.31 : x
  2. Step 2: Convert to fraction form
    17,721.97/26,566.54 = 9,925.31/x
  3. Step 3: Cross multiply
    17,721.97x = 26,566.54 × 9,925.31
  4. Step 4: Simplify right side
    17,721.97x = 263,681,186.73
  5. Step 5: Solve for x
    x = 263,681,186.73/17,721.97
  6. Step 6: Final answer
    x = 14,878.78

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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.