Home / 11,377.25-15,690.79-7,396.91

Finding the Fourth Proportional to 11,377.25, 15,690.79 and 7,396.91

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Solution

The fourth proportional to 11,377.25, 15,690.79 and 7,396.91 is: 10,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.25 : 15,690.79 = 7,396.91 : x
  2. Step 2: Convert to fraction form
    11,377.25/15,690.79 = 7,396.91/x
  3. Step 3: Cross multiply
    11,377.25x = 15,690.79 × 7,396.91
  4. Step 4: Simplify right side
    11,377.25x = 116,063,382.19
  5. Step 5: Solve for x
    x = 116,063,382.19/11,377.25
  6. Step 6: Final answer
    x = 10,201.35

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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.