Home / 17,869.86-26,724.24-13,654.35

Finding the Fourth Proportional to 17,869.86, 26,724.24 and 13,654.35

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Solution

The fourth proportional to 17,869.86, 26,724.24 and 13,654.35 is: 20,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.86 : 26,724.24 = 13,654.35 : x
  2. Step 2: Convert to fraction form
    17,869.86/26,724.24 = 13,654.35/x
  3. Step 3: Cross multiply
    17,869.86x = 26,724.24 × 13,654.35
  4. Step 4: Simplify right side
    17,869.86x = 364,902,126.44
  5. Step 5: Solve for x
    x = 364,902,126.44/17,869.86
  6. Step 6: Final answer
    x = 20,419.98

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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.