Home / 13,492.41-20,234.70-5,171.79

Finding the Fourth Proportional to 13,492.41, 20,234.70 and 5,171.79

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Solution

The fourth proportional to 13,492.41, 20,234.70 and 5,171.79 is: 7,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.41 : 20,234.70 = 5,171.79 : x
  2. Step 2: Convert to fraction form
    13,492.41/20,234.70 = 5,171.79/x
  3. Step 3: Cross multiply
    13,492.41x = 20,234.70 × 5,171.79
  4. Step 4: Simplify right side
    13,492.41x = 104,649,619.11
  5. Step 5: Solve for x
    x = 104,649,619.11/13,492.41
  6. Step 6: Final answer
    x = 7,756.18

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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.