Home / 11,377.62-15,702.45-6,661.86

Finding the Fourth Proportional to 11,377.62, 15,702.45 and 6,661.86

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Solution

The fourth proportional to 11,377.62, 15,702.45 and 6,661.86 is: 9,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.62 : 15,702.45 = 6,661.86 : x
  2. Step 2: Convert to fraction form
    11,377.62/15,702.45 = 6,661.86/x
  3. Step 3: Cross multiply
    11,377.62x = 15,702.45 × 6,661.86
  4. Step 4: Simplify right side
    11,377.62x = 104,607,523.56
  5. Step 5: Solve for x
    x = 104,607,523.56/11,377.62
  6. Step 6: Final answer
    x = 9,194.15

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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.