Home / 18,089.34-27,133.65-4,942.86

Finding the Fourth Proportional to 18,089.34, 27,133.65 and 4,942.86

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Solution

The fourth proportional to 18,089.34, 27,133.65 and 4,942.86 is: 7,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.34 : 27,133.65 = 4,942.86 : x
  2. Step 2: Convert to fraction form
    18,089.34/27,133.65 = 4,942.86/x
  3. Step 3: Cross multiply
    18,089.34x = 27,133.65 × 4,942.86
  4. Step 4: Simplify right side
    18,089.34x = 134,117,833.24
  5. Step 5: Solve for x
    x = 134,117,833.24/18,089.34
  6. Step 6: Final answer
    x = 7,414.19

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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.