Home / 11,670.57-17,503.70-3,877.29

Finding the Fourth Proportional to 11,670.57, 17,503.70 and 3,877.29

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Solution

The fourth proportional to 11,670.57, 17,503.70 and 3,877.29 is: 5,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.57 : 17,503.70 = 3,877.29 : x
  2. Step 2: Convert to fraction form
    11,670.57/17,503.70 = 3,877.29/x
  3. Step 3: Cross multiply
    11,670.57x = 17,503.70 × 3,877.29
  4. Step 4: Simplify right side
    11,670.57x = 67,866,901.59
  5. Step 5: Solve for x
    x = 67,866,901.59/11,670.57
  6. Step 6: Final answer
    x = 5,815.22

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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.