Home / 10,811.40-16,217.10-5,890.65

Finding the Fourth Proportional to 10,811.40, 16,217.10 and 5,890.65

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Solution

The fourth proportional to 10,811.40, 16,217.10 and 5,890.65 is: 8,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.40 : 16,217.10 = 5,890.65 : x
  2. Step 2: Convert to fraction form
    10,811.40/16,217.10 = 5,890.65/x
  3. Step 3: Cross multiply
    10,811.40x = 16,217.10 × 5,890.65
  4. Step 4: Simplify right side
    10,811.40x = 95,529,260.12
  5. Step 5: Solve for x
    x = 95,529,260.12/10,811.40
  6. Step 6: Final answer
    x = 8,835.98

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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.