Home / 15,779.82-23,666.34-5,919.80

Finding the Fourth Proportional to 15,779.82, 23,666.34 and 5,919.80

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Solution

The fourth proportional to 15,779.82, 23,666.34 and 5,919.80 is: 8,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.82 : 23,666.34 = 5,919.80 : x
  2. Step 2: Convert to fraction form
    15,779.82/23,666.34 = 5,919.80/x
  3. Step 3: Cross multiply
    15,779.82x = 23,666.34 × 5,919.80
  4. Step 4: Simplify right side
    15,779.82x = 140,099,999.53
  5. Step 5: Solve for x
    x = 140,099,999.53/15,779.82
  6. Step 6: Final answer
    x = 8,878.43

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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.