Home / 12,654.24-18,981.62-4,343.81

Finding the Fourth Proportional to 12,654.24, 18,981.62 and 4,343.81

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Solution

The fourth proportional to 12,654.24, 18,981.62 and 4,343.81 is: 6,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.24 : 18,981.62 = 4,343.81 : x
  2. Step 2: Convert to fraction form
    12,654.24/18,981.62 = 4,343.81/x
  3. Step 3: Cross multiply
    12,654.24x = 18,981.62 × 4,343.81
  4. Step 4: Simplify right side
    12,654.24x = 82,452,434.15
  5. Step 5: Solve for x
    x = 82,452,434.15/12,654.24
  6. Step 6: Final answer
    x = 6,515.80

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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.