Home / 20,846.80-31,270.52-6,995.92

Finding the Fourth Proportional to 20,846.80, 31,270.52 and 6,995.92

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Solution

The fourth proportional to 20,846.80, 31,270.52 and 6,995.92 is: 10,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.80 : 31,270.52 = 6,995.92 : x
  2. Step 2: Convert to fraction form
    20,846.80/31,270.52 = 6,995.92/x
  3. Step 3: Cross multiply
    20,846.80x = 31,270.52 × 6,995.92
  4. Step 4: Simplify right side
    20,846.80x = 218,766,056.28
  5. Step 5: Solve for x
    x = 218,766,056.28/20,846.80
  6. Step 6: Final answer
    x = 10,493.99

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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.