Home / 9,508.29-13,121.39-5,316.54

Finding the Fourth Proportional to 9,508.29, 13,121.39 and 5,316.54

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Solution

The fourth proportional to 9,508.29, 13,121.39 and 5,316.54 is: 7,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.29 : 13,121.39 = 5,316.54 : x
  2. Step 2: Convert to fraction form
    9,508.29/13,121.39 = 5,316.54/x
  3. Step 3: Cross multiply
    9,508.29x = 13,121.39 × 5,316.54
  4. Step 4: Simplify right side
    9,508.29x = 69,760,358.88
  5. Step 5: Solve for x
    x = 69,760,358.88/9,508.29
  6. Step 6: Final answer
    x = 7,336.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.