Home / 21,843-32,769.96-7,051.58

Finding the Fourth Proportional to 21,843, 32,769.96 and 7,051.58

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Solution

The fourth proportional to 21,843, 32,769.96 and 7,051.58 is: 10,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843 : 32,769.96 = 7,051.58 : x
  2. Step 2: Convert to fraction form
    21,843/32,769.96 = 7,051.58/x
  3. Step 3: Cross multiply
    21,843x = 32,769.96 × 7,051.58
  4. Step 4: Simplify right side
    21,843x = 231,079,994.54
  5. Step 5: Solve for x
    x = 231,079,994.54/21,843
  6. Step 6: Final answer
    x = 10,579.13

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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.