Home / 13,921.14-20,882.93-3,532.89

Finding the Fourth Proportional to 13,921.14, 20,882.93 and 3,532.89

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Solution

The fourth proportional to 13,921.14, 20,882.93 and 3,532.89 is: 5,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.14 : 20,882.93 = 3,532.89 : x
  2. Step 2: Convert to fraction form
    13,921.14/20,882.93 = 3,532.89/x
  3. Step 3: Cross multiply
    13,921.14x = 20,882.93 × 3,532.89
  4. Step 4: Simplify right side
    13,921.14x = 73,777,076.90
  5. Step 5: Solve for x
    x = 73,777,076.90/13,921.14
  6. Step 6: Final answer
    x = 5,299.64

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1.5x scale

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.