Home / 13,359.50-20,042.49-4,125.50

Finding the Fourth Proportional to 13,359.50, 20,042.49 and 4,125.50

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Solution

The fourth proportional to 13,359.50, 20,042.49 and 4,125.50 is: 6,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.50 : 20,042.49 = 4,125.50 : x
  2. Step 2: Convert to fraction form
    13,359.50/20,042.49 = 4,125.50/x
  3. Step 3: Cross multiply
    13,359.50x = 20,042.49 × 4,125.50
  4. Step 4: Simplify right side
    13,359.50x = 82,685,292.50
  5. Step 5: Solve for x
    x = 82,685,292.50/13,359.50
  6. Step 6: Final answer
    x = 6,189.25

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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.