Home / 13,278.52-19,891.86-10,343.08

Finding the Fourth Proportional to 13,278.52, 19,891.86 and 10,343.08

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Solution

The fourth proportional to 13,278.52, 19,891.86 and 10,343.08 is: 15,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.52 : 19,891.86 = 10,343.08 : x
  2. Step 2: Convert to fraction form
    13,278.52/19,891.86 = 10,343.08/x
  3. Step 3: Cross multiply
    13,278.52x = 19,891.86 × 10,343.08
  4. Step 4: Simplify right side
    13,278.52x = 205,743,099.33
  5. Step 5: Solve for x
    x = 205,743,099.33/13,278.52
  6. Step 6: Final answer
    x = 15,494.43

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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.