Home / 18,383.60-27,589.31-13,466.02

Finding the Fourth Proportional to 18,383.60, 27,589.31 and 13,466.02

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Solution

The fourth proportional to 18,383.60, 27,589.31 and 13,466.02 is: 20,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.60 : 27,589.31 = 13,466.02 : x
  2. Step 2: Convert to fraction form
    18,383.60/27,589.31 = 13,466.02/x
  3. Step 3: Cross multiply
    18,383.60x = 27,589.31 × 13,466.02
  4. Step 4: Simplify right side
    18,383.60x = 371,518,200.25
  5. Step 5: Solve for x
    x = 371,518,200.25/18,383.60
  6. Step 6: Final answer
    x = 20,209.22

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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.