Home / 20,682.27-31,004.17-7,531.65

Finding the Fourth Proportional to 20,682.27, 31,004.17 and 7,531.65

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Solution

The fourth proportional to 20,682.27, 31,004.17 and 7,531.65 is: 11,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682.27 : 31,004.17 = 7,531.65 : x
  2. Step 2: Convert to fraction form
    20,682.27/31,004.17 = 7,531.65/x
  3. Step 3: Cross multiply
    20,682.27x = 31,004.17 × 7,531.65
  4. Step 4: Simplify right side
    20,682.27x = 233,512,538.15
  5. Step 5: Solve for x
    x = 233,512,538.15/20,682.27
  6. Step 6: Final answer
    x = 11,290.47

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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.