Home / 10,905.91-16,358.87-3,511.02

Finding the Fourth Proportional to 10,905.91, 16,358.87 and 3,511.02

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Solution

The fourth proportional to 10,905.91, 16,358.87 and 3,511.02 is: 5,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.91 : 16,358.87 = 3,511.02 : x
  2. Step 2: Convert to fraction form
    10,905.91/16,358.87 = 3,511.02/x
  3. Step 3: Cross multiply
    10,905.91x = 16,358.87 × 3,511.02
  4. Step 4: Simplify right side
    10,905.91x = 57,436,319.75
  5. Step 5: Solve for x
    x = 57,436,319.75/10,905.91
  6. Step 6: Final answer
    x = 5,266.53

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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.