Home / 8,680.24-13,017.67-3,132.86

Finding the Fourth Proportional to 8,680.24, 13,017.67 and 3,132.86

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Solution

The fourth proportional to 8,680.24, 13,017.67 and 3,132.86 is: 4,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.24 : 13,017.67 = 3,132.86 : x
  2. Step 2: Convert to fraction form
    8,680.24/13,017.67 = 3,132.86/x
  3. Step 3: Cross multiply
    8,680.24x = 13,017.67 × 3,132.86
  4. Step 4: Simplify right side
    8,680.24x = 40,782,537.64
  5. Step 5: Solve for x
    x = 40,782,537.64/8,680.24
  6. Step 6: Final answer
    x = 4,698.32

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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.