Home / 12,221.96-18,343.74-8,050.28

Finding the Fourth Proportional to 12,221.96, 18,343.74 and 8,050.28

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Solution

The fourth proportional to 12,221.96, 18,343.74 and 8,050.28 is: 12,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221.96 : 18,343.74 = 8,050.28 : x
  2. Step 2: Convert to fraction form
    12,221.96/18,343.74 = 8,050.28/x
  3. Step 3: Cross multiply
    12,221.96x = 18,343.74 × 8,050.28
  4. Step 4: Simplify right side
    12,221.96x = 147,672,243.25
  5. Step 5: Solve for x
    x = 147,672,243.25/12,221.96
  6. Step 6: Final answer
    x = 12,082.53

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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.