Home / 11,626.85-16,045.70-6,321.55

Finding the Fourth Proportional to 11,626.85, 16,045.70 and 6,321.55

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Solution

The fourth proportional to 11,626.85, 16,045.70 and 6,321.55 is: 8,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.85 : 16,045.70 = 6,321.55 : x
  2. Step 2: Convert to fraction form
    11,626.85/16,045.70 = 6,321.55/x
  3. Step 3: Cross multiply
    11,626.85x = 16,045.70 × 6,321.55
  4. Step 4: Simplify right side
    11,626.85x = 101,433,614.61
  5. Step 5: Solve for x
    x = 101,433,614.61/11,626.85
  6. Step 6: Final answer
    x = 8,724.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.