Home / 18,650.04-27,958.65-12,078.10

Finding the Fourth Proportional to 18,650.04, 27,958.65 and 12,078.10

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Solution

The fourth proportional to 18,650.04, 27,958.65 and 12,078.10 is: 18,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.04 : 27,958.65 = 12,078.10 : x
  2. Step 2: Convert to fraction form
    18,650.04/27,958.65 = 12,078.10/x
  3. Step 3: Cross multiply
    18,650.04x = 27,958.65 × 12,078.10
  4. Step 4: Simplify right side
    18,650.04x = 337,687,370.57
  5. Step 5: Solve for x
    x = 337,687,370.57/18,650.04
  6. Step 6: Final answer
    x = 18,106.52

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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.