Home / 9,309.78-13,965.58-3,067.24

Finding the Fourth Proportional to 9,309.78, 13,965.58 and 3,067.24

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Solution

The fourth proportional to 9,309.78, 13,965.58 and 3,067.24 is: 4,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.78 : 13,965.58 = 3,067.24 : x
  2. Step 2: Convert to fraction form
    9,309.78/13,965.58 = 3,067.24/x
  3. Step 3: Cross multiply
    9,309.78x = 13,965.58 × 3,067.24
  4. Step 4: Simplify right side
    9,309.78x = 42,835,785.60
  5. Step 5: Solve for x
    x = 42,835,785.60/9,309.78
  6. Step 6: Final answer
    x = 4,601.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.