Home / 9,508.05-13,121.37-5,316.30

Finding the Fourth Proportional to 9,508.05, 13,121.37 and 5,316.30

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Solution

The fourth proportional to 9,508.05, 13,121.37 and 5,316.30 is: 7,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.05 : 13,121.37 = 5,316.30 : x
  2. Step 2: Convert to fraction form
    9,508.05/13,121.37 = 5,316.30/x
  3. Step 3: Cross multiply
    9,508.05x = 13,121.37 × 5,316.30
  4. Step 4: Simplify right side
    9,508.05x = 69,757,139.33
  5. Step 5: Solve for x
    x = 69,757,139.33/9,508.05
  6. Step 6: Final answer
    x = 7,336.64

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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.