Home / 11,143-16,719.26-5,593.48

Finding the Fourth Proportional to 11,143, 16,719.26 and 5,593.48

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Solution

The fourth proportional to 11,143, 16,719.26 and 5,593.48 is: 8,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143 : 16,719.26 = 5,593.48 : x
  2. Step 2: Convert to fraction form
    11,143/16,719.26 = 5,593.48/x
  3. Step 3: Cross multiply
    11,143x = 16,719.26 × 5,593.48
  4. Step 4: Simplify right side
    11,143x = 93,518,846.42
  5. Step 5: Solve for x
    x = 93,518,846.42/11,143
  6. Step 6: Final answer
    x = 8,392.61

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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.