Home / 12,486.54-18,732.60-4,695.42

Finding the Fourth Proportional to 12,486.54, 18,732.60 and 4,695.42

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Solution

The fourth proportional to 12,486.54, 18,732.60 and 4,695.42 is: 7,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.54 : 18,732.60 = 4,695.42 : x
  2. Step 2: Convert to fraction form
    12,486.54/18,732.60 = 4,695.42/x
  3. Step 3: Cross multiply
    12,486.54x = 18,732.60 × 4,695.42
  4. Step 4: Simplify right side
    12,486.54x = 87,957,424.69
  5. Step 5: Solve for x
    x = 87,957,424.69/12,486.54
  6. Step 6: Final answer
    x = 7,044.18

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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.