Home / 10,380.75-15,576.59-4,832.65

Finding the Fourth Proportional to 10,380.75, 15,576.59 and 4,832.65

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Solution

The fourth proportional to 10,380.75, 15,576.59 and 4,832.65 is: 7,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.75 : 15,576.59 = 4,832.65 : x
  2. Step 2: Convert to fraction form
    10,380.75/15,576.59 = 4,832.65/x
  3. Step 3: Cross multiply
    10,380.75x = 15,576.59 × 4,832.65
  4. Step 4: Simplify right side
    10,380.75x = 75,276,207.66
  5. Step 5: Solve for x
    x = 75,276,207.66/10,380.75
  6. Step 6: Final answer
    x = 7,251.52

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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.