Home / 11,838.28-16,340.24-6,997.49

Finding the Fourth Proportional to 11,838.28, 16,340.24 and 6,997.49

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Solution

The fourth proportional to 11,838.28, 16,340.24 and 6,997.49 is: 9,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.28 : 16,340.24 = 6,997.49 : x
  2. Step 2: Convert to fraction form
    11,838.28/16,340.24 = 6,997.49/x
  3. Step 3: Cross multiply
    11,838.28x = 16,340.24 × 6,997.49
  4. Step 4: Simplify right side
    11,838.28x = 114,340,648.50
  5. Step 5: Solve for x
    x = 114,340,648.50/11,838.28
  6. Step 6: Final answer
    x = 9,658.55

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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.