Home / 11,609.76-16,021.52-6,304.57

Finding the Fourth Proportional to 11,609.76, 16,021.52 and 6,304.57

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Solution

The fourth proportional to 11,609.76, 16,021.52 and 6,304.57 is: 8,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.76 : 16,021.52 = 6,304.57 : x
  2. Step 2: Convert to fraction form
    11,609.76/16,021.52 = 6,304.57/x
  3. Step 3: Cross multiply
    11,609.76x = 16,021.52 × 6,304.57
  4. Step 4: Simplify right side
    11,609.76x = 101,008,794.35
  5. Step 5: Solve for x
    x = 101,008,794.35/11,609.76
  6. Step 6: Final answer
    x = 8,700.33

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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.