Home / 9,378.64-14,067.96-2,453.12

Finding the Fourth Proportional to 9,378.64, 14,067.96 and 2,453.12

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Solution

The fourth proportional to 9,378.64, 14,067.96 and 2,453.12 is: 3,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.64 : 14,067.96 = 2,453.12 : x
  2. Step 2: Convert to fraction form
    9,378.64/14,067.96 = 2,453.12/x
  3. Step 3: Cross multiply
    9,378.64x = 14,067.96 × 2,453.12
  4. Step 4: Simplify right side
    9,378.64x = 34,510,394.04
  5. Step 5: Solve for x
    x = 34,510,394.04/9,378.64
  6. Step 6: Final answer
    x = 3,679.68

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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.