Home / 9,431.38-13,014.75-5,452.21

Finding the Fourth Proportional to 9,431.38, 13,014.75 and 5,452.21

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Solution

The fourth proportional to 9,431.38, 13,014.75 and 5,452.21 is: 7,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.38 : 13,014.75 = 5,452.21 : x
  2. Step 2: Convert to fraction form
    9,431.38/13,014.75 = 5,452.21/x
  3. Step 3: Cross multiply
    9,431.38x = 13,014.75 × 5,452.21
  4. Step 4: Simplify right side
    9,431.38x = 70,959,150.10
  5. Step 5: Solve for x
    x = 70,959,150.10/9,431.38
  6. Step 6: Final answer
    x = 7,523.73

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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.