Home / 18,288.48-27,436.83-5,808.90

Finding the Fourth Proportional to 18,288.48, 27,436.83 and 5,808.90

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Solution

The fourth proportional to 18,288.48, 27,436.83 and 5,808.90 is: 8,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.48 : 27,436.83 = 5,808.90 : x
  2. Step 2: Convert to fraction form
    18,288.48/27,436.83 = 5,808.90/x
  3. Step 3: Cross multiply
    18,288.48x = 27,436.83 × 5,808.90
  4. Step 4: Simplify right side
    18,288.48x = 159,377,801.79
  5. Step 5: Solve for x
    x = 159,377,801.79/18,288.48
  6. Step 6: Final answer
    x = 8,714.66

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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.