Home / 18,954.54-26,167.83-13,306.62

Finding the Fourth Proportional to 18,954.54, 26,167.83 and 13,306.62

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Solution

The fourth proportional to 18,954.54, 26,167.83 and 13,306.62 is: 18,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.54 : 26,167.83 = 13,306.62 : x
  2. Step 2: Convert to fraction form
    18,954.54/26,167.83 = 13,306.62/x
  3. Step 3: Cross multiply
    18,954.54x = 26,167.83 × 13,306.62
  4. Step 4: Simplify right side
    18,954.54x = 348,205,370.03
  5. Step 5: Solve for x
    x = 348,205,370.03/18,954.54
  6. Step 6: Final answer
    x = 18,370.55

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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.