Home / 12,503.36-18,754.68-3,269.36

Finding the Fourth Proportional to 12,503.36, 18,754.68 and 3,269.36

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Solution

The fourth proportional to 12,503.36, 18,754.68 and 3,269.36 is: 4,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.36 : 18,754.68 = 3,269.36 : x
  2. Step 2: Convert to fraction form
    12,503.36/18,754.68 = 3,269.36/x
  3. Step 3: Cross multiply
    12,503.36x = 18,754.68 × 3,269.36
  4. Step 4: Simplify right side
    12,503.36x = 61,315,800.60
  5. Step 5: Solve for x
    x = 61,315,800.60/12,503.36
  6. Step 6: Final answer
    x = 4,903.95

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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.