Home / 18,273.62-27,394.23-8,908.40

Finding the Fourth Proportional to 18,273.62, 27,394.23 and 8,908.40

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Solution

The fourth proportional to 18,273.62, 27,394.23 and 8,908.40 is: 13,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.62 : 27,394.23 = 8,908.40 : x
  2. Step 2: Convert to fraction form
    18,273.62/27,394.23 = 8,908.40/x
  3. Step 3: Cross multiply
    18,273.62x = 27,394.23 × 8,908.40
  4. Step 4: Simplify right side
    18,273.62x = 244,038,758.53
  5. Step 5: Solve for x
    x = 244,038,758.53/18,273.62
  6. Step 6: Final answer
    x = 13,354.70

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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.