Home / 15,212.27-20,992.41-8,497.85

Finding the Fourth Proportional to 15,212.27, 20,992.41 and 8,497.85

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Solution

The fourth proportional to 15,212.27, 20,992.41 and 8,497.85 is: 11,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.27 : 20,992.41 = 8,497.85 : x
  2. Step 2: Convert to fraction form
    15,212.27/20,992.41 = 8,497.85/x
  3. Step 3: Cross multiply
    15,212.27x = 20,992.41 × 8,497.85
  4. Step 4: Simplify right side
    15,212.27x = 178,390,246.36
  5. Step 5: Solve for x
    x = 178,390,246.36/15,212.27
  6. Step 6: Final answer
    x = 11,726.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.