Home / 19,994.98-29,982.45-6,663.29

Finding the Fourth Proportional to 19,994.98, 29,982.45 and 6,663.29

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Solution

The fourth proportional to 19,994.98, 29,982.45 and 6,663.29 is: 9,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.98 : 29,982.45 = 6,663.29 : x
  2. Step 2: Convert to fraction form
    19,994.98/29,982.45 = 6,663.29/x
  3. Step 3: Cross multiply
    19,994.98x = 29,982.45 × 6,663.29
  4. Step 4: Simplify right side
    19,994.98x = 199,781,725.94
  5. Step 5: Solve for x
    x = 199,781,725.94/19,994.98
  6. Step 6: Final answer
    x = 9,991.59

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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.