Home / 18,020.18-27,017.58-8,019.38

Finding the Fourth Proportional to 18,020.18, 27,017.58 and 8,019.38

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Solution

The fourth proportional to 18,020.18, 27,017.58 and 8,019.38 is: 12,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.18 : 27,017.58 = 8,019.38 : x
  2. Step 2: Convert to fraction form
    18,020.18/27,017.58 = 8,019.38/x
  3. Step 3: Cross multiply
    18,020.18x = 27,017.58 × 8,019.38
  4. Step 4: Simplify right side
    18,020.18x = 216,664,240.70
  5. Step 5: Solve for x
    x = 216,664,240.70/18,020.18
  6. Step 6: Final answer
    x = 12,023.42

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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.