Home / 12,269.18-18,400.68-3,504.14

Finding the Fourth Proportional to 12,269.18, 18,400.68 and 3,504.14

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Solution

The fourth proportional to 12,269.18, 18,400.68 and 3,504.14 is: 5,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.18 : 18,400.68 = 3,504.14 : x
  2. Step 2: Convert to fraction form
    12,269.18/18,400.68 = 3,504.14/x
  3. Step 3: Cross multiply
    12,269.18x = 18,400.68 × 3,504.14
  4. Step 4: Simplify right side
    12,269.18x = 64,478,558.82
  5. Step 5: Solve for x
    x = 64,478,558.82/12,269.18
  6. Step 6: Final answer
    x = 5,255.33

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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.