Home / 9,586.80-14,380.20-9,168.60

Finding the Fourth Proportional to 9,586.80, 14,380.20 and 9,168.60

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Solution

The fourth proportional to 9,586.80, 14,380.20 and 9,168.60 is: 13,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,586.80 : 14,380.20 = 9,168.60 : x
  2. Step 2: Convert to fraction form
    9,586.80/14,380.20 = 9,168.60/x
  3. Step 3: Cross multiply
    9,586.80x = 14,380.20 × 9,168.60
  4. Step 4: Simplify right side
    9,586.80x = 131,846,301.72
  5. Step 5: Solve for x
    x = 131,846,301.72/9,586.80
  6. Step 6: Final answer
    x = 13,752.90

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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.