Home / 11,896.42-16,419.36-6,863.89

Finding the Fourth Proportional to 11,896.42, 16,419.36 and 6,863.89

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Solution

The fourth proportional to 11,896.42, 16,419.36 and 6,863.89 is: 9,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.42 : 16,419.36 = 6,863.89 : x
  2. Step 2: Convert to fraction form
    11,896.42/16,419.36 = 6,863.89/x
  3. Step 3: Cross multiply
    11,896.42x = 16,419.36 × 6,863.89
  4. Step 4: Simplify right side
    11,896.42x = 112,700,680.91
  5. Step 5: Solve for x
    x = 112,700,680.91/11,896.42
  6. Step 6: Final answer
    x = 9,473.50

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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.