Home / 11,811.60-17,719.32-3,492.46

Finding the Fourth Proportional to 11,811.60, 17,719.32 and 3,492.46

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Solution

The fourth proportional to 11,811.60, 17,719.32 and 3,492.46 is: 5,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.60 : 17,719.32 = 3,492.46 : x
  2. Step 2: Convert to fraction form
    11,811.60/17,719.32 = 3,492.46/x
  3. Step 3: Cross multiply
    11,811.60x = 17,719.32 × 3,492.46
  4. Step 4: Simplify right side
    11,811.60x = 61,884,016.33
  5. Step 5: Solve for x
    x = 61,884,016.33/11,811.60
  6. Step 6: Final answer
    x = 5,239.26

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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.