Home / 11,881.86-16,397.39-6,504.67

Finding the Fourth Proportional to 11,881.86, 16,397.39 and 6,504.67

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Solution

The fourth proportional to 11,881.86, 16,397.39 and 6,504.67 is: 8,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.86 : 16,397.39 = 6,504.67 : x
  2. Step 2: Convert to fraction form
    11,881.86/16,397.39 = 6,504.67/x
  3. Step 3: Cross multiply
    11,881.86x = 16,397.39 × 6,504.67
  4. Step 4: Simplify right side
    11,881.86x = 106,659,578.29
  5. Step 5: Solve for x
    x = 106,659,578.29/11,881.86
  6. Step 6: Final answer
    x = 8,976.68

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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.