Home / 9,117.36-13,675.68-2,961.36

Finding the Fourth Proportional to 9,117.36, 13,675.68 and 2,961.36

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Solution

The fourth proportional to 9,117.36, 13,675.68 and 2,961.36 is: 4,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.36 : 13,675.68 = 2,961.36 : x
  2. Step 2: Convert to fraction form
    9,117.36/13,675.68 = 2,961.36/x
  3. Step 3: Cross multiply
    9,117.36x = 13,675.68 × 2,961.36
  4. Step 4: Simplify right side
    9,117.36x = 40,498,611.72
  5. Step 5: Solve for x
    x = 40,498,611.72/9,117.36
  6. Step 6: Final answer
    x = 4,441.92

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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.