Home / 11,119.88-16,674.95-3,326.87

Finding the Fourth Proportional to 11,119.88, 16,674.95 and 3,326.87

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Solution

The fourth proportional to 11,119.88, 16,674.95 and 3,326.87 is: 4,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.88 : 16,674.95 = 3,326.87 : x
  2. Step 2: Convert to fraction form
    11,119.88/16,674.95 = 3,326.87/x
  3. Step 3: Cross multiply
    11,119.88x = 16,674.95 × 3,326.87
  4. Step 4: Simplify right side
    11,119.88x = 55,475,290.90
  5. Step 5: Solve for x
    x = 55,475,290.90/11,119.88
  6. Step 6: Final answer
    x = 4,988.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.