Home / 10,253.21-15,388.16-5,324.27

Finding the Fourth Proportional to 10,253.21, 15,388.16 and 5,324.27

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Solution

The fourth proportional to 10,253.21, 15,388.16 and 5,324.27 is: 7,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.21 : 15,388.16 = 5,324.27 : x
  2. Step 2: Convert to fraction form
    10,253.21/15,388.16 = 5,324.27/x
  3. Step 3: Cross multiply
    10,253.21x = 15,388.16 × 5,324.27
  4. Step 4: Simplify right side
    10,253.21x = 81,930,615.08
  5. Step 5: Solve for x
    x = 81,930,615.08/10,253.21
  6. Step 6: Final answer
    x = 7,990.73

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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.