Home / 11,749.72-16,214.24-6,444.44

Finding the Fourth Proportional to 11,749.72, 16,214.24 and 6,444.44

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Solution

The fourth proportional to 11,749.72, 16,214.24 and 6,444.44 is: 8,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.72 : 16,214.24 = 6,444.44 : x
  2. Step 2: Convert to fraction form
    11,749.72/16,214.24 = 6,444.44/x
  3. Step 3: Cross multiply
    11,749.72x = 16,214.24 × 6,444.44
  4. Step 4: Simplify right side
    11,749.72x = 104,491,696.83
  5. Step 5: Solve for x
    x = 104,491,696.83/11,749.72
  6. Step 6: Final answer
    x = 8,893.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.