Home / 9,431.26-13,015.29-5,452.72

Finding the Fourth Proportional to 9,431.26, 13,015.29 and 5,452.72

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Solution

The fourth proportional to 9,431.26, 13,015.29 and 5,452.72 is: 7,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.26 : 13,015.29 = 5,452.72 : x
  2. Step 2: Convert to fraction form
    9,431.26/13,015.29 = 5,452.72/x
  3. Step 3: Cross multiply
    9,431.26x = 13,015.29 × 5,452.72
  4. Step 4: Simplify right side
    9,431.26x = 70,968,732.09
  5. Step 5: Solve for x
    x = 70,968,732.09/9,431.26
  6. Step 6: Final answer
    x = 7,524.84

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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.