Home / 20,191.64-30,286.34-7,044.93

Finding the Fourth Proportional to 20,191.64, 30,286.34 and 7,044.93

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Solution

The fourth proportional to 20,191.64, 30,286.34 and 7,044.93 is: 10,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.64 : 30,286.34 = 7,044.93 : x
  2. Step 2: Convert to fraction form
    20,191.64/30,286.34 = 7,044.93/x
  3. Step 3: Cross multiply
    20,191.64x = 30,286.34 × 7,044.93
  4. Step 4: Simplify right side
    20,191.64x = 213,365,136.45
  5. Step 5: Solve for x
    x = 213,365,136.45/20,191.64
  6. Step 6: Final answer
    x = 10,567.01

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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.