Home / 12,396.12-17,106.24-8,865.24

Finding the Fourth Proportional to 12,396.12, 17,106.24 and 8,865.24

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Solution

The fourth proportional to 12,396.12, 17,106.24 and 8,865.24 is: 12,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.12 : 17,106.24 = 8,865.24 : x
  2. Step 2: Convert to fraction form
    12,396.12/17,106.24 = 8,865.24/x
  3. Step 3: Cross multiply
    12,396.12x = 17,106.24 × 8,865.24
  4. Step 4: Simplify right side
    12,396.12x = 151,650,923.10
  5. Step 5: Solve for x
    x = 151,650,923.10/12,396.12
  6. Step 6: Final answer
    x = 12,233.74

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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.