Home / 13,718.56-20,610.66-8,797.80

Finding the Fourth Proportional to 13,718.56, 20,610.66 and 8,797.80

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Solution

The fourth proportional to 13,718.56, 20,610.66 and 8,797.80 is: 13,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.56 : 20,610.66 = 8,797.80 : x
  2. Step 2: Convert to fraction form
    13,718.56/20,610.66 = 8,797.80/x
  3. Step 3: Cross multiply
    13,718.56x = 20,610.66 × 8,797.80
  4. Step 4: Simplify right side
    13,718.56x = 181,328,464.55
  5. Step 5: Solve for x
    x = 181,328,464.55/13,718.56
  6. Step 6: Final answer
    x = 13,217.75

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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.