Home / 11,701.08-16,147.20-6,396

Finding the Fourth Proportional to 11,701.08, 16,147.20 and 6,396

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Solution

The fourth proportional to 11,701.08, 16,147.20 and 6,396 is: 8,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.08 : 16,147.20 = 6,396 : x
  2. Step 2: Convert to fraction form
    11,701.08/16,147.20 = 6,396/x
  3. Step 3: Cross multiply
    11,701.08x = 16,147.20 × 6,396
  4. Step 4: Simplify right side
    11,701.08x = 103,277,491.20
  5. Step 5: Solve for x
    x = 103,277,491.20/11,701.08
  6. Step 6: Final answer
    x = 8,826.32

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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.