Home / 13,346.50-20,020.83-4,112.50

Finding the Fourth Proportional to 13,346.50, 20,020.83 and 4,112.50

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Solution

The fourth proportional to 13,346.50, 20,020.83 and 4,112.50 is: 6,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.50 : 20,020.83 = 4,112.50 : x
  2. Step 2: Convert to fraction form
    13,346.50/20,020.83 = 4,112.50/x
  3. Step 3: Cross multiply
    13,346.50x = 20,020.83 × 4,112.50
  4. Step 4: Simplify right side
    13,346.50x = 82,335,663.38
  5. Step 5: Solve for x
    x = 82,335,663.38/13,346.50
  6. Step 6: Final answer
    x = 6,169.08

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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.