Home / 18,347.36-27,517.24-11,590.90

Finding the Fourth Proportional to 18,347.36, 27,517.24 and 11,590.90

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Solution

The fourth proportional to 18,347.36, 27,517.24 and 11,590.90 is: 17,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.36 : 27,517.24 = 11,590.90 : x
  2. Step 2: Convert to fraction form
    18,347.36/27,517.24 = 11,590.90/x
  3. Step 3: Cross multiply
    18,347.36x = 27,517.24 × 11,590.90
  4. Step 4: Simplify right side
    18,347.36x = 318,949,555.41
  5. Step 5: Solve for x
    x = 318,949,555.41/18,347.36
  6. Step 6: Final answer
    x = 17,383.95

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1.5x scale

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.