Home / 17,860.80-26,789.31-7,331.93

Finding the Fourth Proportional to 17,860.80, 26,789.31 and 7,331.93

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Solution

The fourth proportional to 17,860.80, 26,789.31 and 7,331.93 is: 10,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.80 : 26,789.31 = 7,331.93 : x
  2. Step 2: Convert to fraction form
    17,860.80/26,789.31 = 7,331.93/x
  3. Step 3: Cross multiply
    17,860.80x = 26,789.31 × 7,331.93
  4. Step 4: Simplify right side
    17,860.80x = 196,417,251.20
  5. Step 5: Solve for x
    x = 196,417,251.20/17,860.80
  6. Step 6: Final answer
    x = 10,997.11

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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.