Home / 11,934.60-16,469.76-6,629.52

Finding the Fourth Proportional to 11,934.60, 16,469.76 and 6,629.52

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Solution

The fourth proportional to 11,934.60, 16,469.76 and 6,629.52 is: 9,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.60 : 16,469.76 = 6,629.52 : x
  2. Step 2: Convert to fraction form
    11,934.60/16,469.76 = 6,629.52/x
  3. Step 3: Cross multiply
    11,934.60x = 16,469.76 × 6,629.52
  4. Step 4: Simplify right side
    11,934.60x = 109,186,603.32
  5. Step 5: Solve for x
    x = 109,186,603.32/11,934.60
  6. Step 6: Final answer
    x = 9,148.74

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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.