Home / 11,331.55-16,997.91-10,708.21

Finding the Fourth Proportional to 11,331.55, 16,997.91 and 10,708.21

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Solution

The fourth proportional to 11,331.55, 16,997.91 and 10,708.21 is: 16,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.55 : 16,997.91 = 10,708.21 : x
  2. Step 2: Convert to fraction form
    11,331.55/16,997.91 = 10,708.21/x
  3. Step 3: Cross multiply
    11,331.55x = 16,997.91 × 10,708.21
  4. Step 4: Simplify right side
    11,331.55x = 182,017,189.84
  5. Step 5: Solve for x
    x = 182,017,189.84/11,331.55
  6. Step 6: Final answer
    x = 16,062.87

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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.