Home / 18,001.71-27,006.62-5,522.85

Finding the Fourth Proportional to 18,001.71, 27,006.62 and 5,522.85

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Solution

The fourth proportional to 18,001.71, 27,006.62 and 5,522.85 is: 8,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.71 : 27,006.62 = 5,522.85 : x
  2. Step 2: Convert to fraction form
    18,001.71/27,006.62 = 5,522.85/x
  3. Step 3: Cross multiply
    18,001.71x = 27,006.62 × 5,522.85
  4. Step 4: Simplify right side
    18,001.71x = 149,153,483.65
  5. Step 5: Solve for x
    x = 149,153,483.65/18,001.71
  6. Step 6: Final answer
    x = 8,285.52

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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.