Home / 10,234.56-15,350.40-3,309.12

Finding the Fourth Proportional to 10,234.56, 15,350.40 and 3,309.12

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Solution

The fourth proportional to 10,234.56, 15,350.40 and 3,309.12 is: 4,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.56 : 15,350.40 = 3,309.12 : x
  2. Step 2: Convert to fraction form
    10,234.56/15,350.40 = 3,309.12/x
  3. Step 3: Cross multiply
    10,234.56x = 15,350.40 × 3,309.12
  4. Step 4: Simplify right side
    10,234.56x = 50,796,315.65
  5. Step 5: Solve for x
    x = 50,796,315.65/10,234.56
  6. Step 6: Final answer
    x = 4,963.21

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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.