Home / 19,997.70-29,988.45-6,843.30

Finding the Fourth Proportional to 19,997.70, 29,988.45 and 6,843.30

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Solution

The fourth proportional to 19,997.70, 29,988.45 and 6,843.30 is: 10,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.70 : 29,988.45 = 6,843.30 : x
  2. Step 2: Convert to fraction form
    19,997.70/29,988.45 = 6,843.30/x
  3. Step 3: Cross multiply
    19,997.70x = 29,988.45 × 6,843.30
  4. Step 4: Simplify right side
    19,997.70x = 205,219,959.89
  5. Step 5: Solve for x
    x = 205,219,959.89/19,997.70
  6. Step 6: Final answer
    x = 10,262.18

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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.