Home / 11,108.21-16,658.60-3,710.61

Finding the Fourth Proportional to 11,108.21, 16,658.60 and 3,710.61

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Solution

The fourth proportional to 11,108.21, 16,658.60 and 3,710.61 is: 5,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.21 : 16,658.60 = 3,710.61 : x
  2. Step 2: Convert to fraction form
    11,108.21/16,658.60 = 3,710.61/x
  3. Step 3: Cross multiply
    11,108.21x = 16,658.60 × 3,710.61
  4. Step 4: Simplify right side
    11,108.21x = 61,813,549.19
  5. Step 5: Solve for x
    x = 61,813,549.19/11,108.21
  6. Step 6: Final answer
    x = 5,564.67

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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.