Home / 21,183.50-31,775.25-5,601.13

Finding the Fourth Proportional to 21,183.50, 31,775.25 and 5,601.13

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Solution

The fourth proportional to 21,183.50, 31,775.25 and 5,601.13 is: 8,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.50 : 31,775.25 = 5,601.13 : x
  2. Step 2: Convert to fraction form
    21,183.50/31,775.25 = 5,601.13/x
  3. Step 3: Cross multiply
    21,183.50x = 31,775.25 × 5,601.13
  4. Step 4: Simplify right side
    21,183.50x = 177,977,306.03
  5. Step 5: Solve for x
    x = 177,977,306.03/21,183.50
  6. Step 6: Final answer
    x = 8,401.70

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Double scale
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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.