Home / 10,324.26-15,419.16-8,247.42

Finding the Fourth Proportional to 10,324.26, 15,419.16 and 8,247.42

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Solution

The fourth proportional to 10,324.26, 15,419.16 and 8,247.42 is: 12,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.26 : 15,419.16 = 8,247.42 : x
  2. Step 2: Convert to fraction form
    10,324.26/15,419.16 = 8,247.42/x
  3. Step 3: Cross multiply
    10,324.26x = 15,419.16 × 8,247.42
  4. Step 4: Simplify right side
    10,324.26x = 127,168,288.57
  5. Step 5: Solve for x
    x = 127,168,288.57/10,324.26
  6. Step 6: Final answer
    x = 12,317.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.