Home / 20,849.13-31,254.86-7,698.27

Finding the Fourth Proportional to 20,849.13, 31,254.86 and 7,698.27

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Solution

The fourth proportional to 20,849.13, 31,254.86 and 7,698.27 is: 11,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.13 : 31,254.86 = 7,698.27 : x
  2. Step 2: Convert to fraction form
    20,849.13/31,254.86 = 7,698.27/x
  3. Step 3: Cross multiply
    20,849.13x = 31,254.86 × 7,698.27
  4. Step 4: Simplify right side
    20,849.13x = 240,608,487.54
  5. Step 5: Solve for x
    x = 240,608,487.54/20,849.13
  6. Step 6: Final answer
    x = 11,540.46

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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.