Home / 11,257.14-16,876.60-4,688.26

Finding the Fourth Proportional to 11,257.14, 16,876.60 and 4,688.26

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Solution

The fourth proportional to 11,257.14, 16,876.60 and 4,688.26 is: 7,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.14 : 16,876.60 = 4,688.26 : x
  2. Step 2: Convert to fraction form
    11,257.14/16,876.60 = 4,688.26/x
  3. Step 3: Cross multiply
    11,257.14x = 16,876.60 × 4,688.26
  4. Step 4: Simplify right side
    11,257.14x = 79,121,888.72
  5. Step 5: Solve for x
    x = 79,121,888.72/11,257.14
  6. Step 6: Final answer
    x = 7,028.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.