Home / 12,334.32-17,103.69-11,918.70

Finding the Fourth Proportional to 12,334.32, 17,103.69 and 11,918.70

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Solution

The fourth proportional to 12,334.32, 17,103.69 and 11,918.70 is: 16,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.32 : 17,103.69 = 11,918.70 : x
  2. Step 2: Convert to fraction form
    12,334.32/17,103.69 = 11,918.70/x
  3. Step 3: Cross multiply
    12,334.32x = 17,103.69 × 11,918.70
  4. Step 4: Simplify right side
    12,334.32x = 203,853,750.00
  5. Step 5: Solve for x
    x = 203,853,750.00/12,334.32
  6. Step 6: Final answer
    x = 16,527.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.