Home / 13,301.84-18,359.71-8,269.85

Finding the Fourth Proportional to 13,301.84, 18,359.71 and 8,269.85

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Solution

The fourth proportional to 13,301.84, 18,359.71 and 8,269.85 is: 11,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.84 : 18,359.71 = 8,269.85 : x
  2. Step 2: Convert to fraction form
    13,301.84/18,359.71 = 8,269.85/x
  3. Step 3: Cross multiply
    13,301.84x = 18,359.71 × 8,269.85
  4. Step 4: Simplify right side
    13,301.84x = 151,832,072.97
  5. Step 5: Solve for x
    x = 151,832,072.97/13,301.84
  6. Step 6: Final answer
    x = 11,414.36

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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.