Home / 11,377.49-15,694.56-6,660.86

Finding the Fourth Proportional to 11,377.49, 15,694.56 and 6,660.86

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Solution

The fourth proportional to 11,377.49, 15,694.56 and 6,660.86 is: 9,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.49 : 15,694.56 = 6,660.86 : x
  2. Step 2: Convert to fraction form
    11,377.49/15,694.56 = 6,660.86/x
  3. Step 3: Cross multiply
    11,377.49x = 15,694.56 × 6,660.86
  4. Step 4: Simplify right side
    11,377.49x = 104,539,266.92
  5. Step 5: Solve for x
    x = 104,539,266.92/11,377.49
  6. Step 6: Final answer
    x = 9,188.25

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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.