Home / 17,854.40-26,781.46-5,374.37

Finding the Fourth Proportional to 17,854.40, 26,781.46 and 5,374.37

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Solution

The fourth proportional to 17,854.40, 26,781.46 and 5,374.37 is: 8,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.40 : 26,781.46 = 5,374.37 : x
  2. Step 2: Convert to fraction form
    17,854.40/26,781.46 = 5,374.37/x
  3. Step 3: Cross multiply
    17,854.40x = 26,781.46 × 5,374.37
  4. Step 4: Simplify right side
    17,854.40x = 143,933,475.18
  5. Step 5: Solve for x
    x = 143,933,475.18/17,854.40
  6. Step 6: Final answer
    x = 8,061.51

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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.