Home / 11,779.74-17,669.61-3,994.02

Finding the Fourth Proportional to 11,779.74, 17,669.61 and 3,994.02

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Solution

The fourth proportional to 11,779.74, 17,669.61 and 3,994.02 is: 5,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.74 : 17,669.61 = 3,994.02 : x
  2. Step 2: Convert to fraction form
    11,779.74/17,669.61 = 3,994.02/x
  3. Step 3: Cross multiply
    11,779.74x = 17,669.61 × 3,994.02
  4. Step 4: Simplify right side
    11,779.74x = 70,572,775.73
  5. Step 5: Solve for x
    x = 70,572,775.73/11,779.74
  6. Step 6: Final answer
    x = 5,991.03

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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.