Home / 13,344.32-20,013.01-3,982.25

Finding the Fourth Proportional to 13,344.32, 20,013.01 and 3,982.25

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Solution

The fourth proportional to 13,344.32, 20,013.01 and 3,982.25 is: 5,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.32 : 20,013.01 = 3,982.25 : x
  2. Step 2: Convert to fraction form
    13,344.32/20,013.01 = 3,982.25/x
  3. Step 3: Cross multiply
    13,344.32x = 20,013.01 × 3,982.25
  4. Step 4: Simplify right side
    13,344.32x = 79,696,809.07
  5. Step 5: Solve for x
    x = 79,696,809.07/13,344.32
  6. Step 6: Final answer
    x = 5,972.34

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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.