Home / 10,665.24-15,997.86-2,874.84

Finding the Fourth Proportional to 10,665.24, 15,997.86 and 2,874.84

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Solution

The fourth proportional to 10,665.24, 15,997.86 and 2,874.84 is: 4,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.24 : 15,997.86 = 2,874.84 : x
  2. Step 2: Convert to fraction form
    10,665.24/15,997.86 = 2,874.84/x
  3. Step 3: Cross multiply
    10,665.24x = 15,997.86 × 2,874.84
  4. Step 4: Simplify right side
    10,665.24x = 45,991,287.84
  5. Step 5: Solve for x
    x = 45,991,287.84/10,665.24
  6. Step 6: Final answer
    x = 4,312.26

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Similar ratio
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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.