Home / 13,001.67-17,940.30-7,335.97

Finding the Fourth Proportional to 13,001.67, 17,940.30 and 7,335.97

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Solution

The fourth proportional to 13,001.67, 17,940.30 and 7,335.97 is: 10,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.67 : 17,940.30 = 7,335.97 : x
  2. Step 2: Convert to fraction form
    13,001.67/17,940.30 = 7,335.97/x
  3. Step 3: Cross multiply
    13,001.67x = 17,940.30 × 7,335.97
  4. Step 4: Simplify right side
    13,001.67x = 131,609,502.59
  5. Step 5: Solve for x
    x = 131,609,502.59/13,001.67
  6. Step 6: Final answer
    x = 10,122.51

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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.