Home / 11,223.44-15,402.96-10,329.20

Finding the Fourth Proportional to 11,223.44, 15,402.96 and 10,329.20

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Solution

The fourth proportional to 11,223.44, 15,402.96 and 10,329.20 is: 14,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.44 : 15,402.96 = 10,329.20 : x
  2. Step 2: Convert to fraction form
    11,223.44/15,402.96 = 10,329.20/x
  3. Step 3: Cross multiply
    11,223.44x = 15,402.96 × 10,329.20
  4. Step 4: Simplify right side
    11,223.44x = 159,100,202.79
  5. Step 5: Solve for x
    x = 159,100,202.79/11,223.44
  6. Step 6: Final answer
    x = 14,175.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.