Home / 12,009.87-18,011.97-3,244.86

Finding the Fourth Proportional to 12,009.87, 18,011.97 and 3,244.86

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Solution

The fourth proportional to 12,009.87, 18,011.97 and 3,244.86 is: 4,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.87 : 18,011.97 = 3,244.86 : x
  2. Step 2: Convert to fraction form
    12,009.87/18,011.97 = 3,244.86/x
  3. Step 3: Cross multiply
    12,009.87x = 18,011.97 × 3,244.86
  4. Step 4: Simplify right side
    12,009.87x = 58,446,320.97
  5. Step 5: Solve for x
    x = 58,446,320.97/12,009.87
  6. Step 6: Final answer
    x = 4,866.52

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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.