Home / 19,841.52-27,382.80-11,343.96

Finding the Fourth Proportional to 19,841.52, 27,382.80 and 11,343.96

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Solution

The fourth proportional to 19,841.52, 27,382.80 and 11,343.96 is: 15,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.52 : 27,382.80 = 11,343.96 : x
  2. Step 2: Convert to fraction form
    19,841.52/27,382.80 = 11,343.96/x
  3. Step 3: Cross multiply
    19,841.52x = 27,382.80 × 11,343.96
  4. Step 4: Simplify right side
    19,841.52x = 310,629,387.89
  5. Step 5: Solve for x
    x = 310,629,387.89/19,841.52
  6. Step 6: Final answer
    x = 15,655.52

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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.