Home / 13,983.50-20,975.28-3,595.28

Finding the Fourth Proportional to 13,983.50, 20,975.28 and 3,595.28

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Solution

The fourth proportional to 13,983.50, 20,975.28 and 3,595.28 is: 5,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.50 : 20,975.28 = 3,595.28 : x
  2. Step 2: Convert to fraction form
    13,983.50/20,975.28 = 3,595.28/x
  3. Step 3: Cross multiply
    13,983.50x = 20,975.28 × 3,595.28
  4. Step 4: Simplify right side
    13,983.50x = 75,412,004.68
  5. Step 5: Solve for x
    x = 75,412,004.68/13,983.50
  6. Step 6: Final answer
    x = 5,392.93

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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.