Home / 11,867.24-16,377-6,489.62

Finding the Fourth Proportional to 11,867.24, 16,377 and 6,489.62

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Solution

The fourth proportional to 11,867.24, 16,377 and 6,489.62 is: 8,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.24 : 16,377 = 6,489.62 : x
  2. Step 2: Convert to fraction form
    11,867.24/16,377 = 6,489.62/x
  3. Step 3: Cross multiply
    11,867.24x = 16,377 × 6,489.62
  4. Step 4: Simplify right side
    11,867.24x = 106,280,506.74
  5. Step 5: Solve for x
    x = 106,280,506.74/11,867.24
  6. Step 6: Final answer
    x = 8,955.79

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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.