Home / 20,538.08-30,807.11-8,063.97

Finding the Fourth Proportional to 20,538.08, 30,807.11 and 8,063.97

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Solution

The fourth proportional to 20,538.08, 30,807.11 and 8,063.97 is: 12,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538.08 : 30,807.11 = 8,063.97 : x
  2. Step 2: Convert to fraction form
    20,538.08/30,807.11 = 8,063.97/x
  3. Step 3: Cross multiply
    20,538.08x = 30,807.11 × 8,063.97
  4. Step 4: Simplify right side
    20,538.08x = 248,427,610.83
  5. Step 5: Solve for x
    x = 248,427,610.83/20,538.08
  6. Step 6: Final answer
    x = 12,095.95

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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.