Home / 12,198.40-16,798.08-11,875.84

Finding the Fourth Proportional to 12,198.40, 16,798.08 and 11,875.84

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Solution

The fourth proportional to 12,198.40, 16,798.08 and 11,875.84 is: 16,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.40 : 16,798.08 = 11,875.84 : x
  2. Step 2: Convert to fraction form
    12,198.40/16,798.08 = 11,875.84/x
  3. Step 3: Cross multiply
    12,198.40x = 16,798.08 × 11,875.84
  4. Step 4: Simplify right side
    12,198.40x = 199,491,310.39
  5. Step 5: Solve for x
    x = 199,491,310.39/12,198.40
  6. Step 6: Final answer
    x = 16,353.89

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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.