Home / 20,615.27-30,923.10-6,577.43

Finding the Fourth Proportional to 20,615.27, 30,923.10 and 6,577.43

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Solution

The fourth proportional to 20,615.27, 30,923.10 and 6,577.43 is: 9,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.27 : 30,923.10 = 6,577.43 : x
  2. Step 2: Convert to fraction form
    20,615.27/30,923.10 = 6,577.43/x
  3. Step 3: Cross multiply
    20,615.27x = 30,923.10 × 6,577.43
  4. Step 4: Simplify right side
    20,615.27x = 203,394,371.02
  5. Step 5: Solve for x
    x = 203,394,371.02/20,615.27
  6. Step 6: Final answer
    x = 9,866.20

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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.