Home / 15,220.32-20,998.26-11,250.96

Finding the Fourth Proportional to 15,220.32, 20,998.26 and 11,250.96

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Solution

The fourth proportional to 15,220.32, 20,998.26 and 11,250.96 is: 15,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.32 : 20,998.26 = 11,250.96 : x
  2. Step 2: Convert to fraction form
    15,220.32/20,998.26 = 11,250.96/x
  3. Step 3: Cross multiply
    15,220.32x = 20,998.26 × 11,250.96
  4. Step 4: Simplify right side
    15,220.32x = 236,250,583.33
  5. Step 5: Solve for x
    x = 236,250,583.33/15,220.32
  6. Step 6: Final answer
    x = 15,522.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.