Home / 20,675.27-31,010.34-6,634.19

Finding the Fourth Proportional to 20,675.27, 31,010.34 and 6,634.19

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Solution

The fourth proportional to 20,675.27, 31,010.34 and 6,634.19 is: 9,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.27 : 31,010.34 = 6,634.19 : x
  2. Step 2: Convert to fraction form
    20,675.27/31,010.34 = 6,634.19/x
  3. Step 3: Cross multiply
    20,675.27x = 31,010.34 × 6,634.19
  4. Step 4: Simplify right side
    20,675.27x = 205,728,487.52
  5. Step 5: Solve for x
    x = 205,728,487.52/20,675.27
  6. Step 6: Final answer
    x = 9,950.46

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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.