Home / 12,249.26-16,903.90-6,660.26

Finding the Fourth Proportional to 12,249.26, 16,903.90 and 6,660.26

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Solution

The fourth proportional to 12,249.26, 16,903.90 and 6,660.26 is: 9,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.26 : 16,903.90 = 6,660.26 : x
  2. Step 2: Convert to fraction form
    12,249.26/16,903.90 = 6,660.26/x
  3. Step 3: Cross multiply
    12,249.26x = 16,903.90 × 6,660.26
  4. Step 4: Simplify right side
    12,249.26x = 112,584,369.01
  5. Step 5: Solve for x
    x = 112,584,369.01/12,249.26
  6. Step 6: Final answer
    x = 9,191.12

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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.