Home / 19,769.72-29,654.81-6,622.12

Finding the Fourth Proportional to 19,769.72, 29,654.81 and 6,622.12

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Solution

The fourth proportional to 19,769.72, 29,654.81 and 6,622.12 is: 9,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.72 : 29,654.81 = 6,622.12 : x
  2. Step 2: Convert to fraction form
    19,769.72/29,654.81 = 6,622.12/x
  3. Step 3: Cross multiply
    19,769.72x = 29,654.81 × 6,622.12
  4. Step 4: Simplify right side
    19,769.72x = 196,377,529.01
  5. Step 5: Solve for x
    x = 196,377,529.01/19,769.72
  6. Step 6: Final answer
    x = 9,933.25

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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.