Home / 13,252.09-19,877.50-3,891.73

Finding the Fourth Proportional to 13,252.09, 19,877.50 and 3,891.73

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Solution

The fourth proportional to 13,252.09, 19,877.50 and 3,891.73 is: 5,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.09 : 19,877.50 = 3,891.73 : x
  2. Step 2: Convert to fraction form
    13,252.09/19,877.50 = 3,891.73/x
  3. Step 3: Cross multiply
    13,252.09x = 19,877.50 × 3,891.73
  4. Step 4: Simplify right side
    13,252.09x = 77,357,753.96
  5. Step 5: Solve for x
    x = 77,357,753.96/13,252.09
  6. Step 6: Final answer
    x = 5,837.40

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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.