Home / 19,968.96-29,943.90-6,817.80

Finding the Fourth Proportional to 19,968.96, 29,943.90 and 6,817.80

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Solution

The fourth proportional to 19,968.96, 29,943.90 and 6,817.80 is: 10,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.96 : 29,943.90 = 6,817.80 : x
  2. Step 2: Convert to fraction form
    19,968.96/29,943.90 = 6,817.80/x
  3. Step 3: Cross multiply
    19,968.96x = 29,943.90 × 6,817.80
  4. Step 4: Simplify right side
    19,968.96x = 204,151,521.42
  5. Step 5: Solve for x
    x = 204,151,521.42/19,968.96
  6. Step 6: Final answer
    x = 10,223.44

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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.