Home / 10,223.38-15,324.13-5,288.05

Finding the Fourth Proportional to 10,223.38, 15,324.13 and 5,288.05

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Solution

The fourth proportional to 10,223.38, 15,324.13 and 5,288.05 is: 7,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.38 : 15,324.13 = 5,288.05 : x
  2. Step 2: Convert to fraction form
    10,223.38/15,324.13 = 5,288.05/x
  3. Step 3: Cross multiply
    10,223.38x = 15,324.13 × 5,288.05
  4. Step 4: Simplify right side
    10,223.38x = 81,034,765.65
  5. Step 5: Solve for x
    x = 81,034,765.65/10,223.38
  6. Step 6: Final answer
    x = 7,926.42

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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.