Home / 18,864.25-28,291.31-8,983.87

Finding the Fourth Proportional to 18,864.25, 28,291.31 and 8,983.87

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Solution

The fourth proportional to 18,864.25, 28,291.31 and 8,983.87 is: 13,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.25 : 28,291.31 = 8,983.87 : x
  2. Step 2: Convert to fraction form
    18,864.25/28,291.31 = 8,983.87/x
  3. Step 3: Cross multiply
    18,864.25x = 28,291.31 × 8,983.87
  4. Step 4: Simplify right side
    18,864.25x = 254,165,369.21
  5. Step 5: Solve for x
    x = 254,165,369.21/18,864.25
  6. Step 6: Final answer
    x = 13,473.39

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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.