Home / 22,452.72-30,969.36-13,021.44

Finding the Fourth Proportional to 22,452.72, 30,969.36 and 13,021.44

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Solution

The fourth proportional to 22,452.72, 30,969.36 and 13,021.44 is: 17,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.72 : 30,969.36 = 13,021.44 : x
  2. Step 2: Convert to fraction form
    22,452.72/30,969.36 = 13,021.44/x
  3. Step 3: Cross multiply
    22,452.72x = 30,969.36 × 13,021.44
  4. Step 4: Simplify right side
    22,452.72x = 403,265,663.08
  5. Step 5: Solve for x
    x = 403,265,663.08/22,452.72
  6. Step 6: Final answer
    x = 17,960.66

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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.