Home / 13,755.33-20,641.50-5,433.93

Finding the Fourth Proportional to 13,755.33, 20,641.50 and 5,433.93

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Solution

The fourth proportional to 13,755.33, 20,641.50 and 5,433.93 is: 8,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.33 : 20,641.50 = 5,433.93 : x
  2. Step 2: Convert to fraction form
    13,755.33/20,641.50 = 5,433.93/x
  3. Step 3: Cross multiply
    13,755.33x = 20,641.50 × 5,433.93
  4. Step 4: Simplify right side
    13,755.33x = 112,164,466.10
  5. Step 5: Solve for x
    x = 112,164,466.10/13,755.33
  6. Step 6: Final answer
    x = 8,154.25

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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.