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Finding the Fourth Proportional to 9,600.80, 14,401.20 and 2,675.30

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Solution

The fourth proportional to 9,600.80, 14,401.20 and 2,675.30 is: 4,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600.80 : 14,401.20 = 2,675.30 : x
  2. Step 2: Convert to fraction form
    9,600.80/14,401.20 = 2,675.30/x
  3. Step 3: Cross multiply
    9,600.80x = 14,401.20 × 2,675.30
  4. Step 4: Simplify right side
    9,600.80x = 38,527,530.36
  5. Step 5: Solve for x
    x = 38,527,530.36/9,600.80
  6. Step 6: Final answer
    x = 4,012.95

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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.