Home / 11,376.75-15,690.10-7,396.41

Finding the Fourth Proportional to 11,376.75, 15,690.10 and 7,396.41

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Solution

The fourth proportional to 11,376.75, 15,690.10 and 7,396.41 is: 10,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.75 : 15,690.10 = 7,396.41 : x
  2. Step 2: Convert to fraction form
    11,376.75/15,690.10 = 7,396.41/x
  3. Step 3: Cross multiply
    11,376.75x = 15,690.10 × 7,396.41
  4. Step 4: Simplify right side
    11,376.75x = 116,050,412.54
  5. Step 5: Solve for x
    x = 116,050,412.54/11,376.75
  6. Step 6: Final answer
    x = 10,200.66

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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.