Home / 20,002.45-29,982.93-8,914.36

Finding the Fourth Proportional to 20,002.45, 29,982.93 and 8,914.36

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Solution

The fourth proportional to 20,002.45, 29,982.93 and 8,914.36 is: 13,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.45 : 29,982.93 = 8,914.36 : x
  2. Step 2: Convert to fraction form
    20,002.45/29,982.93 = 8,914.36/x
  3. Step 3: Cross multiply
    20,002.45x = 29,982.93 × 8,914.36
  4. Step 4: Simplify right side
    20,002.45x = 267,278,631.87
  5. Step 5: Solve for x
    x = 267,278,631.87/20,002.45
  6. Step 6: Final answer
    x = 13,362.29

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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.