Home / 12,177.15-18,263.52-3,409.89

Finding the Fourth Proportional to 12,177.15, 18,263.52 and 3,409.89

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Solution

The fourth proportional to 12,177.15, 18,263.52 and 3,409.89 is: 5,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.15 : 18,263.52 = 3,409.89 : x
  2. Step 2: Convert to fraction form
    12,177.15/18,263.52 = 3,409.89/x
  3. Step 3: Cross multiply
    12,177.15x = 18,263.52 × 3,409.89
  4. Step 4: Simplify right side
    12,177.15x = 62,276,594.21
  5. Step 5: Solve for x
    x = 62,276,594.21/12,177.15
  6. Step 6: Final answer
    x = 5,114.22

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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.