Home / 12,514.38-18,777.95-5,940.63

Finding the Fourth Proportional to 12,514.38, 18,777.95 and 5,940.63

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Solution

The fourth proportional to 12,514.38, 18,777.95 and 5,940.63 is: 8,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.38 : 18,777.95 = 5,940.63 : x
  2. Step 2: Convert to fraction form
    12,514.38/18,777.95 = 5,940.63/x
  3. Step 3: Cross multiply
    12,514.38x = 18,777.95 × 5,940.63
  4. Step 4: Simplify right side
    12,514.38x = 111,552,823.41
  5. Step 5: Solve for x
    x = 111,552,823.41/12,514.38
  6. Step 6: Final answer
    x = 8,913.97

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1.5x scale

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.