Home / 22,176.08-30,589.56-13,217.60

Finding the Fourth Proportional to 22,176.08, 30,589.56 and 13,217.60

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Solution

The fourth proportional to 22,176.08, 30,589.56 and 13,217.60 is: 18,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.08 : 30,589.56 = 13,217.60 : x
  2. Step 2: Convert to fraction form
    22,176.08/30,589.56 = 13,217.60/x
  3. Step 3: Cross multiply
    22,176.08x = 30,589.56 × 13,217.60
  4. Step 4: Simplify right side
    22,176.08x = 404,320,568.26
  5. Step 5: Solve for x
    x = 404,320,568.26/22,176.08
  6. Step 6: Final answer
    x = 18,232.28

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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.