Home / 18,429.18-27,654.60-8,039.58

Finding the Fourth Proportional to 18,429.18, 27,654.60 and 8,039.58

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Solution

The fourth proportional to 18,429.18, 27,654.60 and 8,039.58 is: 12,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.18 : 27,654.60 = 8,039.58 : x
  2. Step 2: Convert to fraction form
    18,429.18/27,654.60 = 8,039.58/x
  3. Step 3: Cross multiply
    18,429.18x = 27,654.60 × 8,039.58
  4. Step 4: Simplify right side
    18,429.18x = 222,331,369.07
  5. Step 5: Solve for x
    x = 222,331,369.07/18,429.18
  6. Step 6: Final answer
    x = 12,064.09

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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.