Home / 15,166.44-22,749.66-4,779

Finding the Fourth Proportional to 15,166.44, 22,749.66 and 4,779

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Solution

The fourth proportional to 15,166.44, 22,749.66 and 4,779 is: 7,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.44 : 22,749.66 = 4,779 : x
  2. Step 2: Convert to fraction form
    15,166.44/22,749.66 = 4,779/x
  3. Step 3: Cross multiply
    15,166.44x = 22,749.66 × 4,779
  4. Step 4: Simplify right side
    15,166.44x = 108,720,625.14
  5. Step 5: Solve for x
    x = 108,720,625.14/15,166.44
  6. Step 6: Final answer
    x = 7,168.50

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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.