Home / 12,396.08-17,121.84-9,266.24

Finding the Fourth Proportional to 12,396.08, 17,121.84 and 9,266.24

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Solution

The fourth proportional to 12,396.08, 17,121.84 and 9,266.24 is: 12,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.08 : 17,121.84 = 9,266.24 : x
  2. Step 2: Convert to fraction form
    12,396.08/17,121.84 = 9,266.24/x
  3. Step 3: Cross multiply
    12,396.08x = 17,121.84 × 9,266.24
  4. Step 4: Simplify right side
    12,396.08x = 158,655,078.68
  5. Step 5: Solve for x
    x = 158,655,078.68/12,396.08
  6. Step 6: Final answer
    x = 12,798.81

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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.