Home / 16,864.56-25,294.67-5,176.80

Finding the Fourth Proportional to 16,864.56, 25,294.67 and 5,176.80

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Solution

The fourth proportional to 16,864.56, 25,294.67 and 5,176.80 is: 7,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.56 : 25,294.67 = 5,176.80 : x
  2. Step 2: Convert to fraction form
    16,864.56/25,294.67 = 5,176.80/x
  3. Step 3: Cross multiply
    16,864.56x = 25,294.67 × 5,176.80
  4. Step 4: Simplify right side
    16,864.56x = 130,945,447.66
  5. Step 5: Solve for x
    x = 130,945,447.66/16,864.56
  6. Step 6: Final answer
    x = 7,764.53

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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.