Home / 20,796.45-31,198.80-6,753.87

Finding the Fourth Proportional to 20,796.45, 31,198.80 and 6,753.87

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Solution

The fourth proportional to 20,796.45, 31,198.80 and 6,753.87 is: 10,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,796.45 : 31,198.80 = 6,753.87 : x
  2. Step 2: Convert to fraction form
    20,796.45/31,198.80 = 6,753.87/x
  3. Step 3: Cross multiply
    20,796.45x = 31,198.80 × 6,753.87
  4. Step 4: Simplify right side
    20,796.45x = 210,712,639.36
  5. Step 5: Solve for x
    x = 210,712,639.36/20,796.45
  6. Step 6: Final answer
    x = 10,132.14

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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.