Home / 11,890.08-17,835.12-4,099.68

Finding the Fourth Proportional to 11,890.08, 17,835.12 and 4,099.68

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Solution

The fourth proportional to 11,890.08, 17,835.12 and 4,099.68 is: 6,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.08 : 17,835.12 = 4,099.68 : x
  2. Step 2: Convert to fraction form
    11,890.08/17,835.12 = 4,099.68/x
  3. Step 3: Cross multiply
    11,890.08x = 17,835.12 × 4,099.68
  4. Step 4: Simplify right side
    11,890.08x = 73,118,284.76
  5. Step 5: Solve for x
    x = 73,118,284.76/11,890.08
  6. Step 6: Final answer
    x = 6,149.52

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Similar ratio
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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.