Home / 11,503.26-17,211.15-7,109.82

Finding the Fourth Proportional to 11,503.26, 17,211.15 and 7,109.82

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Solution

The fourth proportional to 11,503.26, 17,211.15 and 7,109.82 is: 10,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.26 : 17,211.15 = 7,109.82 : x
  2. Step 2: Convert to fraction form
    11,503.26/17,211.15 = 7,109.82/x
  3. Step 3: Cross multiply
    11,503.26x = 17,211.15 × 7,109.82
  4. Step 4: Simplify right side
    11,503.26x = 122,368,178.49
  5. Step 5: Solve for x
    x = 122,368,178.49/11,503.26
  6. Step 6: Final answer
    x = 10,637.70

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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.