Home / 19,990.20-29,952.60-6,835.44

Finding the Fourth Proportional to 19,990.20, 29,952.60 and 6,835.44

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Solution

The fourth proportional to 19,990.20, 29,952.60 and 6,835.44 is: 10,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.20 : 29,952.60 = 6,835.44 : x
  2. Step 2: Convert to fraction form
    19,990.20/29,952.60 = 6,835.44/x
  3. Step 3: Cross multiply
    19,990.20x = 29,952.60 × 6,835.44
  4. Step 4: Simplify right side
    19,990.20x = 204,739,200.14
  5. Step 5: Solve for x
    x = 204,739,200.14/19,990.20
  6. Step 6: Final answer
    x = 10,241.98

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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.