Home / 9,431.91-13,016.04-5,240.16

Finding the Fourth Proportional to 9,431.91, 13,016.04 and 5,240.16

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Solution

The fourth proportional to 9,431.91, 13,016.04 and 5,240.16 is: 7,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.91 : 13,016.04 = 5,240.16 : x
  2. Step 2: Convert to fraction form
    9,431.91/13,016.04 = 5,240.16/x
  3. Step 3: Cross multiply
    9,431.91x = 13,016.04 × 5,240.16
  4. Step 4: Simplify right side
    9,431.91x = 68,206,132.17
  5. Step 5: Solve for x
    x = 68,206,132.17/9,431.91
  6. Step 6: Final answer
    x = 7,231.42

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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.