Home / 12,009.96-18,002.39-4,110.14

Finding the Fourth Proportional to 12,009.96, 18,002.39 and 4,110.14

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Solution

The fourth proportional to 12,009.96, 18,002.39 and 4,110.14 is: 6,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.96 : 18,002.39 = 4,110.14 : x
  2. Step 2: Convert to fraction form
    12,009.96/18,002.39 = 4,110.14/x
  3. Step 3: Cross multiply
    12,009.96x = 18,002.39 × 4,110.14
  4. Step 4: Simplify right side
    12,009.96x = 73,992,232.67
  5. Step 5: Solve for x
    x = 73,992,232.67/12,009.96
  6. Step 6: Final answer
    x = 6,160.91

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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.