Home / 19,622.05-29,439.14-6,800.30

Finding the Fourth Proportional to 19,622.05, 29,439.14 and 6,800.30

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Solution

The fourth proportional to 19,622.05, 29,439.14 and 6,800.30 is: 10,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.05 : 29,439.14 = 6,800.30 : x
  2. Step 2: Convert to fraction form
    19,622.05/29,439.14 = 6,800.30/x
  3. Step 3: Cross multiply
    19,622.05x = 29,439.14 × 6,800.30
  4. Step 4: Simplify right side
    19,622.05x = 200,194,983.74
  5. Step 5: Solve for x
    x = 200,194,983.74/19,622.05
  6. Step 6: Final answer
    x = 10,202.55

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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.