Home / 11,891.62-16,410.27-6,855.85

Finding the Fourth Proportional to 11,891.62, 16,410.27 and 6,855.85

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Solution

The fourth proportional to 11,891.62, 16,410.27 and 6,855.85 is: 9,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.62 : 16,410.27 = 6,855.85 : x
  2. Step 2: Convert to fraction form
    11,891.62/16,410.27 = 6,855.85/x
  3. Step 3: Cross multiply
    11,891.62x = 16,410.27 × 6,855.85
  4. Step 4: Simplify right side
    11,891.62x = 112,506,349.58
  5. Step 5: Solve for x
    x = 112,506,349.58/11,891.62
  6. Step 6: Final answer
    x = 9,460.98

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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.