Home / 9,436.32-13,022.04-5,129.38

Finding the Fourth Proportional to 9,436.32, 13,022.04 and 5,129.38

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Solution

The fourth proportional to 9,436.32, 13,022.04 and 5,129.38 is: 7,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.32 : 13,022.04 = 5,129.38 : x
  2. Step 2: Convert to fraction form
    9,436.32/13,022.04 = 5,129.38/x
  3. Step 3: Cross multiply
    9,436.32x = 13,022.04 × 5,129.38
  4. Step 4: Simplify right side
    9,436.32x = 66,794,991.54
  5. Step 5: Solve for x
    x = 66,794,991.54/9,436.32
  6. Step 6: Final answer
    x = 7,078.50

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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.