Home / 20,331.11-30,475.06-9,794.56

Finding the Fourth Proportional to 20,331.11, 30,475.06 and 9,794.56

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Solution

The fourth proportional to 20,331.11, 30,475.06 and 9,794.56 is: 14,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.11 : 30,475.06 = 9,794.56 : x
  2. Step 2: Convert to fraction form
    20,331.11/30,475.06 = 9,794.56/x
  3. Step 3: Cross multiply
    20,331.11x = 30,475.06 × 9,794.56
  4. Step 4: Simplify right side
    20,331.11x = 298,489,803.67
  5. Step 5: Solve for x
    x = 298,489,803.67/20,331.11
  6. Step 6: Final answer
    x = 14,681.43

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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.