Home / 12,556.44-18,827.37-4,761

Finding the Fourth Proportional to 12,556.44, 18,827.37 and 4,761

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Solution

The fourth proportional to 12,556.44, 18,827.37 and 4,761 is: 7,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.44 : 18,827.37 = 4,761 : x
  2. Step 2: Convert to fraction form
    12,556.44/18,827.37 = 4,761/x
  3. Step 3: Cross multiply
    12,556.44x = 18,827.37 × 4,761
  4. Step 4: Simplify right side
    12,556.44x = 89,637,108.57
  5. Step 5: Solve for x
    x = 89,637,108.57/12,556.44
  6. Step 6: Final answer
    x = 7,138.74

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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.