Home / 15,779.84-23,670.96-5,249.44

Finding the Fourth Proportional to 15,779.84, 23,670.96 and 5,249.44

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Solution

The fourth proportional to 15,779.84, 23,670.96 and 5,249.44 is: 7,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.84 : 23,670.96 = 5,249.44 : x
  2. Step 2: Convert to fraction form
    15,779.84/23,670.96 = 5,249.44/x
  3. Step 3: Cross multiply
    15,779.84x = 23,670.96 × 5,249.44
  4. Step 4: Simplify right side
    15,779.84x = 124,259,284.26
  5. Step 5: Solve for x
    x = 124,259,284.26/15,779.84
  6. Step 6: Final answer
    x = 7,874.56

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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.