Home / 19,995.39-29,994.68-6,847.88

Finding the Fourth Proportional to 19,995.39, 29,994.68 and 6,847.88

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Solution

The fourth proportional to 19,995.39, 29,994.68 and 6,847.88 is: 10,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.39 : 29,994.68 = 6,847.88 : x
  2. Step 2: Convert to fraction form
    19,995.39/29,994.68 = 6,847.88/x
  3. Step 3: Cross multiply
    19,995.39x = 29,994.68 × 6,847.88
  4. Step 4: Simplify right side
    19,995.39x = 205,399,817.17
  5. Step 5: Solve for x
    x = 205,399,817.17/19,995.39
  6. Step 6: Final answer
    x = 10,272.36

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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.