Home / 20,297.94-30,447.55-5,507.19

Finding the Fourth Proportional to 20,297.94, 30,447.55 and 5,507.19

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Solution

The fourth proportional to 20,297.94, 30,447.55 and 5,507.19 is: 8,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.94 : 30,447.55 = 5,507.19 : x
  2. Step 2: Convert to fraction form
    20,297.94/30,447.55 = 5,507.19/x
  3. Step 3: Cross multiply
    20,297.94x = 30,447.55 × 5,507.19
  4. Step 4: Simplify right side
    20,297.94x = 167,680,418.79
  5. Step 5: Solve for x
    x = 167,680,418.79/20,297.94
  6. Step 6: Final answer
    x = 8,260.96

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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.