Home / 11,845.11-17,778.41-6,303.12

Finding the Fourth Proportional to 11,845.11, 17,778.41 and 6,303.12

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Solution

The fourth proportional to 11,845.11, 17,778.41 and 6,303.12 is: 9,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.11 : 17,778.41 = 6,303.12 : x
  2. Step 2: Convert to fraction form
    11,845.11/17,778.41 = 6,303.12/x
  3. Step 3: Cross multiply
    11,845.11x = 17,778.41 × 6,303.12
  4. Step 4: Simplify right side
    11,845.11x = 112,059,394.82
  5. Step 5: Solve for x
    x = 112,059,394.82/11,845.11
  6. Step 6: Final answer
    x = 9,460.39

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1.5x scale

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.