Home / 10,997.80-16,496.70-3,100.30

Finding the Fourth Proportional to 10,997.80, 16,496.70 and 3,100.30

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Solution

The fourth proportional to 10,997.80, 16,496.70 and 3,100.30 is: 4,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.80 : 16,496.70 = 3,100.30 : x
  2. Step 2: Convert to fraction form
    10,997.80/16,496.70 = 3,100.30/x
  3. Step 3: Cross multiply
    10,997.80x = 16,496.70 × 3,100.30
  4. Step 4: Simplify right side
    10,997.80x = 51,144,719.01
  5. Step 5: Solve for x
    x = 51,144,719.01/10,997.80
  6. Step 6: Final answer
    x = 4,650.45

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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.