Home / 11,838.53-16,340.58-6,997.74

Finding the Fourth Proportional to 11,838.53, 16,340.58 and 6,997.74

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Solution

The fourth proportional to 11,838.53, 16,340.58 and 6,997.74 is: 9,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.53 : 16,340.58 = 6,997.74 : x
  2. Step 2: Convert to fraction form
    11,838.53/16,340.58 = 6,997.74/x
  3. Step 3: Cross multiply
    11,838.53x = 16,340.58 × 6,997.74
  4. Step 4: Simplify right side
    11,838.53x = 114,347,147.78
  5. Step 5: Solve for x
    x = 114,347,147.78/11,838.53
  6. Step 6: Final answer
    x = 9,658.90

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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.