Home / 10,890.29-16,335.44-3,099.10

Finding the Fourth Proportional to 10,890.29, 16,335.44 and 3,099.10

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Solution

The fourth proportional to 10,890.29, 16,335.44 and 3,099.10 is: 4,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.29 : 16,335.44 = 3,099.10 : x
  2. Step 2: Convert to fraction form
    10,890.29/16,335.44 = 3,099.10/x
  3. Step 3: Cross multiply
    10,890.29x = 16,335.44 × 3,099.10
  4. Step 4: Simplify right side
    10,890.29x = 50,625,105.77
  5. Step 5: Solve for x
    x = 50,625,105.77/10,890.29
  6. Step 6: Final answer
    x = 4,648.65

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Double scale
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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.