Home / 9,238.68-13,863.96-3,394.80

Finding the Fourth Proportional to 9,238.68, 13,863.96 and 3,394.80

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Solution

The fourth proportional to 9,238.68, 13,863.96 and 3,394.80 is: 5,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.68 : 13,863.96 = 3,394.80 : x
  2. Step 2: Convert to fraction form
    9,238.68/13,863.96 = 3,394.80/x
  3. Step 3: Cross multiply
    9,238.68x = 13,863.96 × 3,394.80
  4. Step 4: Simplify right side
    9,238.68x = 47,065,371.41
  5. Step 5: Solve for x
    x = 47,065,371.41/9,238.68
  6. Step 6: Final answer
    x = 5,094.38

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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.