Home / 8,675.24-13,012.88-2,101.41

Finding the Fourth Proportional to 8,675.24, 13,012.88 and 2,101.41

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Solution

The fourth proportional to 8,675.24, 13,012.88 and 2,101.41 is: 3,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.24 : 13,012.88 = 2,101.41 : x
  2. Step 2: Convert to fraction form
    8,675.24/13,012.88 = 2,101.41/x
  3. Step 3: Cross multiply
    8,675.24x = 13,012.88 × 2,101.41
  4. Step 4: Simplify right side
    8,675.24x = 27,345,385.65
  5. Step 5: Solve for x
    x = 27,345,385.65/8,675.24
  6. Step 6: Final answer
    x = 3,152.12

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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.