Home / 10,817.62-16,223.19-3,890.50

Finding the Fourth Proportional to 10,817.62, 16,223.19 and 3,890.50

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Solution

The fourth proportional to 10,817.62, 16,223.19 and 3,890.50 is: 5,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.62 : 16,223.19 = 3,890.50 : x
  2. Step 2: Convert to fraction form
    10,817.62/16,223.19 = 3,890.50/x
  3. Step 3: Cross multiply
    10,817.62x = 16,223.19 × 3,890.50
  4. Step 4: Simplify right side
    10,817.62x = 63,116,320.70
  5. Step 5: Solve for x
    x = 63,116,320.70/10,817.62
  6. Step 6: Final answer
    x = 5,834.58

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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.