Home / 12,052.89-18,079.52-3,287.81

Finding the Fourth Proportional to 12,052.89, 18,079.52 and 3,287.81

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Solution

The fourth proportional to 12,052.89, 18,079.52 and 3,287.81 is: 4,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.89 : 18,079.52 = 3,287.81 : x
  2. Step 2: Convert to fraction form
    12,052.89/18,079.52 = 3,287.81/x
  3. Step 3: Cross multiply
    12,052.89x = 18,079.52 × 3,287.81
  4. Step 4: Simplify right side
    12,052.89x = 59,441,919.81
  5. Step 5: Solve for x
    x = 59,441,919.81/12,052.89
  6. Step 6: Final answer
    x = 4,931.76

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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.