Home / 20,313.54-30,474.13-9,221.01

Finding the Fourth Proportional to 20,313.54, 30,474.13 and 9,221.01

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Solution

The fourth proportional to 20,313.54, 30,474.13 and 9,221.01 is: 13,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.54 : 30,474.13 = 9,221.01 : x
  2. Step 2: Convert to fraction form
    20,313.54/30,474.13 = 9,221.01/x
  3. Step 3: Cross multiply
    20,313.54x = 30,474.13 × 9,221.01
  4. Step 4: Simplify right side
    20,313.54x = 281,002,253.03
  5. Step 5: Solve for x
    x = 281,002,253.03/20,313.54
  6. Step 6: Final answer
    x = 13,833.25

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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.