Home / 9,351.36-12,904.76-5,372.36

Finding the Fourth Proportional to 9,351.36, 12,904.76 and 5,372.36

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Solution

The fourth proportional to 9,351.36, 12,904.76 and 5,372.36 is: 7,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.36 : 12,904.76 = 5,372.36 : x
  2. Step 2: Convert to fraction form
    9,351.36/12,904.76 = 5,372.36/x
  3. Step 3: Cross multiply
    9,351.36x = 12,904.76 × 5,372.36
  4. Step 4: Simplify right side
    9,351.36x = 69,329,016.43
  5. Step 5: Solve for x
    x = 69,329,016.43/9,351.36
  6. Step 6: Final answer
    x = 7,413.79

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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.