Home / 13,630.08-20,444.96-3,769.28

Finding the Fourth Proportional to 13,630.08, 20,444.96 and 3,769.28

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Solution

The fourth proportional to 13,630.08, 20,444.96 and 3,769.28 is: 5,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.08 : 20,444.96 = 3,769.28 : x
  2. Step 2: Convert to fraction form
    13,630.08/20,444.96 = 3,769.28/x
  3. Step 3: Cross multiply
    13,630.08x = 20,444.96 × 3,769.28
  4. Step 4: Simplify right side
    13,630.08x = 77,062,778.83
  5. Step 5: Solve for x
    x = 77,062,778.83/13,630.08
  6. Step 6: Final answer
    x = 5,653.88

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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.