Home / 22,568.89-33,856.49-9,418.25

Finding the Fourth Proportional to 22,568.89, 33,856.49 and 9,418.25

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Solution

The fourth proportional to 22,568.89, 33,856.49 and 9,418.25 is: 14,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.89 : 33,856.49 = 9,418.25 : x
  2. Step 2: Convert to fraction form
    22,568.89/33,856.49 = 9,418.25/x
  3. Step 3: Cross multiply
    22,568.89x = 33,856.49 × 9,418.25
  4. Step 4: Simplify right side
    22,568.89x = 318,868,886.94
  5. Step 5: Solve for x
    x = 318,868,886.94/22,568.89
  6. Step 6: Final answer
    x = 14,128.69

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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.