Home / 10,487.26-15,728.46-3,089.73

Finding the Fourth Proportional to 10,487.26, 15,728.46 and 3,089.73

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Solution

The fourth proportional to 10,487.26, 15,728.46 and 3,089.73 is: 4,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.26 : 15,728.46 = 3,089.73 : x
  2. Step 2: Convert to fraction form
    10,487.26/15,728.46 = 3,089.73/x
  3. Step 3: Cross multiply
    10,487.26x = 15,728.46 × 3,089.73
  4. Step 4: Simplify right side
    10,487.26x = 48,596,694.72
  5. Step 5: Solve for x
    x = 48,596,694.72/10,487.26
  6. Step 6: Final answer
    x = 4,633.88

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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.