Home / 18,974.45-28,466.13-6,494.58

Finding the Fourth Proportional to 18,974.45, 28,466.13 and 6,494.58

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Solution

The fourth proportional to 18,974.45, 28,466.13 and 6,494.58 is: 9,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.45 : 28,466.13 = 6,494.58 : x
  2. Step 2: Convert to fraction form
    18,974.45/28,466.13 = 6,494.58/x
  3. Step 3: Cross multiply
    18,974.45x = 28,466.13 × 6,494.58
  4. Step 4: Simplify right side
    18,974.45x = 184,875,582.93
  5. Step 5: Solve for x
    x = 184,875,582.93/18,974.45
  6. Step 6: Final answer
    x = 9,743.39

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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.