Home / 16,881.60-25,324.80-5,786.40

Finding the Fourth Proportional to 16,881.60, 25,324.80 and 5,786.40

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Solution

The fourth proportional to 16,881.60, 25,324.80 and 5,786.40 is: 8,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.60 : 25,324.80 = 5,786.40 : x
  2. Step 2: Convert to fraction form
    16,881.60/25,324.80 = 5,786.40/x
  3. Step 3: Cross multiply
    16,881.60x = 25,324.80 × 5,786.40
  4. Step 4: Simplify right side
    16,881.60x = 146,539,422.72
  5. Step 5: Solve for x
    x = 146,539,422.72/16,881.60
  6. Step 6: Final answer
    x = 8,680.42

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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.