Home / 20,146.11-30,232.94-6,998.37

Finding the Fourth Proportional to 20,146.11, 30,232.94 and 6,998.37

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Solution

The fourth proportional to 20,146.11, 30,232.94 and 6,998.37 is: 10,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.11 : 30,232.94 = 6,998.37 : x
  2. Step 2: Convert to fraction form
    20,146.11/30,232.94 = 6,998.37/x
  3. Step 3: Cross multiply
    20,146.11x = 30,232.94 × 6,998.37
  4. Step 4: Simplify right side
    20,146.11x = 211,581,265.32
  5. Step 5: Solve for x
    x = 211,581,265.32/20,146.11
  6. Step 6: Final answer
    x = 10,502.34

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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.