Home / 12,384.63-18,575.19-4,065.03

Finding the Fourth Proportional to 12,384.63, 18,575.19 and 4,065.03

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Solution

The fourth proportional to 12,384.63, 18,575.19 and 4,065.03 is: 6,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.63 : 18,575.19 = 4,065.03 : x
  2. Step 2: Convert to fraction form
    12,384.63/18,575.19 = 4,065.03/x
  3. Step 3: Cross multiply
    12,384.63x = 18,575.19 × 4,065.03
  4. Step 4: Simplify right side
    12,384.63x = 75,508,704.61
  5. Step 5: Solve for x
    x = 75,508,704.61/12,384.63
  6. Step 6: Final answer
    x = 6,096.97

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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.