Home / 18,281.43-27,418.50-5,133.93

Finding the Fourth Proportional to 18,281.43, 27,418.50 and 5,133.93

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Solution

The fourth proportional to 18,281.43, 27,418.50 and 5,133.93 is: 7,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.43 : 27,418.50 = 5,133.93 : x
  2. Step 2: Convert to fraction form
    18,281.43/27,418.50 = 5,133.93/x
  3. Step 3: Cross multiply
    18,281.43x = 27,418.50 × 5,133.93
  4. Step 4: Simplify right side
    18,281.43x = 140,764,659.71
  5. Step 5: Solve for x
    x = 140,764,659.71/18,281.43
  6. Step 6: Final answer
    x = 7,699.87

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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.