Home / 18,147.62-27,221.70-6,460.54

Finding the Fourth Proportional to 18,147.62, 27,221.70 and 6,460.54

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Solution

The fourth proportional to 18,147.62, 27,221.70 and 6,460.54 is: 9,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.62 : 27,221.70 = 6,460.54 : x
  2. Step 2: Convert to fraction form
    18,147.62/27,221.70 = 6,460.54/x
  3. Step 3: Cross multiply
    18,147.62x = 27,221.70 × 6,460.54
  4. Step 4: Simplify right side
    18,147.62x = 175,866,881.72
  5. Step 5: Solve for x
    x = 175,866,881.72/18,147.62
  6. Step 6: Final answer
    x = 9,690.91

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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.