Home / 13,326.80-19,982.28-4,561.52

Finding the Fourth Proportional to 13,326.80, 19,982.28 and 4,561.52

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Solution

The fourth proportional to 13,326.80, 19,982.28 and 4,561.52 is: 6,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.80 : 19,982.28 = 4,561.52 : x
  2. Step 2: Convert to fraction form
    13,326.80/19,982.28 = 4,561.52/x
  3. Step 3: Cross multiply
    13,326.80x = 19,982.28 × 4,561.52
  4. Step 4: Simplify right side
    13,326.80x = 91,149,569.87
  5. Step 5: Solve for x
    x = 91,149,569.87/13,326.80
  6. Step 6: Final answer
    x = 6,839.57

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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.