Home / 13,008.88-17,952.38-7,040.66

Finding the Fourth Proportional to 13,008.88, 17,952.38 and 7,040.66

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Solution

The fourth proportional to 13,008.88, 17,952.38 and 7,040.66 is: 9,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.88 : 17,952.38 = 7,040.66 : x
  2. Step 2: Convert to fraction form
    13,008.88/17,952.38 = 7,040.66/x
  3. Step 3: Cross multiply
    13,008.88x = 17,952.38 × 7,040.66
  4. Step 4: Simplify right side
    13,008.88x = 126,396,603.77
  5. Step 5: Solve for x
    x = 126,396,603.77/13,008.88
  6. Step 6: Final answer
    x = 9,716.18

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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.