Home / 12,009.60-18,015.30-3,244.56

Finding the Fourth Proportional to 12,009.60, 18,015.30 and 3,244.56

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Solution

The fourth proportional to 12,009.60, 18,015.30 and 3,244.56 is: 4,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.60 : 18,015.30 = 3,244.56 : x
  2. Step 2: Convert to fraction form
    12,009.60/18,015.30 = 3,244.56/x
  3. Step 3: Cross multiply
    12,009.60x = 18,015.30 × 3,244.56
  4. Step 4: Simplify right side
    12,009.60x = 58,451,721.77
  5. Step 5: Solve for x
    x = 58,451,721.77/12,009.60
  6. Step 6: Final answer
    x = 4,867.08

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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.