Home / 12,163.77-18,237.56-4,371.57

Finding the Fourth Proportional to 12,163.77, 18,237.56 and 4,371.57

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Solution

The fourth proportional to 12,163.77, 18,237.56 and 4,371.57 is: 6,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.77 : 18,237.56 = 4,371.57 : x
  2. Step 2: Convert to fraction form
    12,163.77/18,237.56 = 4,371.57/x
  3. Step 3: Cross multiply
    12,163.77x = 18,237.56 × 4,371.57
  4. Step 4: Simplify right side
    12,163.77x = 79,726,748.31
  5. Step 5: Solve for x
    x = 79,726,748.31/12,163.77
  6. Step 6: Final answer
    x = 6,554.44

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1.5x scale

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.