Home / 11,711.40-16,163.28-6,677.44

Finding the Fourth Proportional to 11,711.40, 16,163.28 and 6,677.44

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Solution

The fourth proportional to 11,711.40, 16,163.28 and 6,677.44 is: 9,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.40 : 16,163.28 = 6,677.44 : x
  2. Step 2: Convert to fraction form
    11,711.40/16,163.28 = 6,677.44/x
  3. Step 3: Cross multiply
    11,711.40x = 16,163.28 × 6,677.44
  4. Step 4: Simplify right side
    11,711.40x = 107,929,332.40
  5. Step 5: Solve for x
    x = 107,929,332.40/11,711.40
  6. Step 6: Final answer
    x = 9,215.75

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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.