Home / 21,183.23-31,795.50-10,097.57

Finding the Fourth Proportional to 21,183.23, 31,795.50 and 10,097.57

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Solution

The fourth proportional to 21,183.23, 31,795.50 and 10,097.57 is: 15,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.23 : 31,795.50 = 10,097.57 : x
  2. Step 2: Convert to fraction form
    21,183.23/31,795.50 = 10,097.57/x
  3. Step 3: Cross multiply
    21,183.23x = 31,795.50 × 10,097.57
  4. Step 4: Simplify right side
    21,183.23x = 321,057,286.94
  5. Step 5: Solve for x
    x = 321,057,286.94/21,183.23
  6. Step 6: Final answer
    x = 15,156.20

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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.