Home / 20,301.72-30,463.50-9,207.56

Finding the Fourth Proportional to 20,301.72, 30,463.50 and 9,207.56

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Solution

The fourth proportional to 20,301.72, 30,463.50 and 9,207.56 is: 13,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.72 : 30,463.50 = 9,207.56 : x
  2. Step 2: Convert to fraction form
    20,301.72/30,463.50 = 9,207.56/x
  3. Step 3: Cross multiply
    20,301.72x = 30,463.50 × 9,207.56
  4. Step 4: Simplify right side
    20,301.72x = 280,494,504.06
  5. Step 5: Solve for x
    x = 280,494,504.06/20,301.72
  6. Step 6: Final answer
    x = 13,816.29

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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.