Home / 13,460.11-20,187.78-4,097.86

Finding the Fourth Proportional to 13,460.11, 20,187.78 and 4,097.86

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Solution

The fourth proportional to 13,460.11, 20,187.78 and 4,097.86 is: 6,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.11 : 20,187.78 = 4,097.86 : x
  2. Step 2: Convert to fraction form
    13,460.11/20,187.78 = 4,097.86/x
  3. Step 3: Cross multiply
    13,460.11x = 20,187.78 × 4,097.86
  4. Step 4: Simplify right side
    13,460.11x = 82,726,696.15
  5. Step 5: Solve for x
    x = 82,726,696.15/13,460.11
  6. Step 6: Final answer
    x = 6,146.06

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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.