Home / 10,672.10-15,997.35-6,287.30

Finding the Fourth Proportional to 10,672.10, 15,997.35 and 6,287.30

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Solution

The fourth proportional to 10,672.10, 15,997.35 and 6,287.30 is: 9,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.10 : 15,997.35 = 6,287.30 : x
  2. Step 2: Convert to fraction form
    10,672.10/15,997.35 = 6,287.30/x
  3. Step 3: Cross multiply
    10,672.10x = 15,997.35 × 6,287.30
  4. Step 4: Simplify right side
    10,672.10x = 100,580,138.66
  5. Step 5: Solve for x
    x = 100,580,138.66/10,672.10
  6. Step 6: Final answer
    x = 9,424.59

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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.