Home / 10,691.76-16,037.66-4,121.04

Finding the Fourth Proportional to 10,691.76, 16,037.66 and 4,121.04

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Solution

The fourth proportional to 10,691.76, 16,037.66 and 4,121.04 is: 6,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.76 : 16,037.66 = 4,121.04 : x
  2. Step 2: Convert to fraction form
    10,691.76/16,037.66 = 4,121.04/x
  3. Step 3: Cross multiply
    10,691.76x = 16,037.66 × 4,121.04
  4. Step 4: Simplify right side
    10,691.76x = 66,091,838.37
  5. Step 5: Solve for x
    x = 66,091,838.37/10,691.76
  6. Step 6: Final answer
    x = 6,181.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.