Home / 13,237.20-19,861.00-5,836.50

Finding the Fourth Proportional to 13,237.20, 19,861.00 and 5,836.50

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Solution

The fourth proportional to 13,237.20, 19,861.00 and 5,836.50 is: 8,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.20 : 19,861.00 = 5,836.50 : x
  2. Step 2: Convert to fraction form
    13,237.20/19,861.00 = 5,836.50/x
  3. Step 3: Cross multiply
    13,237.20x = 19,861.00 × 5,836.50
  4. Step 4: Simplify right side
    13,237.20x = 115,918,711.91
  5. Step 5: Solve for x
    x = 115,918,711.91/13,237.20
  6. Step 6: Final answer
    x = 8,757.04

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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.