Home / 8,678.20-13,017.33-2,104.37

Finding the Fourth Proportional to 8,678.20, 13,017.33 and 2,104.37

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Solution

The fourth proportional to 8,678.20, 13,017.33 and 2,104.37 is: 3,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.20 : 13,017.33 = 2,104.37 : x
  2. Step 2: Convert to fraction form
    8,678.20/13,017.33 = 2,104.37/x
  3. Step 3: Cross multiply
    8,678.20x = 13,017.33 × 2,104.37
  4. Step 4: Simplify right side
    8,678.20x = 27,393,278.73
  5. Step 5: Solve for x
    x = 27,393,278.73/8,678.20
  6. Step 6: Final answer
    x = 3,156.56

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1.5x scale

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.