Home / 20,321.63-30,473.76-6,995.96

Finding the Fourth Proportional to 20,321.63, 30,473.76 and 6,995.96

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Solution

The fourth proportional to 20,321.63, 30,473.76 and 6,995.96 is: 10,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321.63 : 30,473.76 = 6,995.96 : x
  2. Step 2: Convert to fraction form
    20,321.63/30,473.76 = 6,995.96/x
  3. Step 3: Cross multiply
    20,321.63x = 30,473.76 × 6,995.96
  4. Step 4: Simplify right side
    20,321.63x = 213,193,206.01
  5. Step 5: Solve for x
    x = 213,193,206.01/20,321.63
  6. Step 6: Final answer
    x = 10,490.95

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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.