Home / 11,683.12-16,122.56-6,377.88

Finding the Fourth Proportional to 11,683.12, 16,122.56 and 6,377.88

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Solution

The fourth proportional to 11,683.12, 16,122.56 and 6,377.88 is: 8,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.12 : 16,122.56 = 6,377.88 : x
  2. Step 2: Convert to fraction form
    11,683.12/16,122.56 = 6,377.88/x
  3. Step 3: Cross multiply
    11,683.12x = 16,122.56 × 6,377.88
  4. Step 4: Simplify right side
    11,683.12x = 102,827,752.97
  5. Step 5: Solve for x
    x = 102,827,752.97/11,683.12
  6. Step 6: Final answer
    x = 8,801.39

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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.