Home / 9,556.31-13,187.25-5,307.64

Finding the Fourth Proportional to 9,556.31, 13,187.25 and 5,307.64

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Solution

The fourth proportional to 9,556.31, 13,187.25 and 5,307.64 is: 7,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.31 : 13,187.25 = 5,307.64 : x
  2. Step 2: Convert to fraction form
    9,556.31/13,187.25 = 5,307.64/x
  3. Step 3: Cross multiply
    9,556.31x = 13,187.25 × 5,307.64
  4. Step 4: Simplify right side
    9,556.31x = 69,993,142.62
  5. Step 5: Solve for x
    x = 69,993,142.62/9,556.31
  6. Step 6: Final answer
    x = 7,324.29

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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.