Home / 12,558.48-18,837.17-3,793.13

Finding the Fourth Proportional to 12,558.48, 18,837.17 and 3,793.13

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Solution

The fourth proportional to 12,558.48, 18,837.17 and 3,793.13 is: 5,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.48 : 18,837.17 = 3,793.13 : x
  2. Step 2: Convert to fraction form
    12,558.48/18,837.17 = 3,793.13/x
  3. Step 3: Cross multiply
    12,558.48x = 18,837.17 × 3,793.13
  4. Step 4: Simplify right side
    12,558.48x = 71,451,721.49
  5. Step 5: Solve for x
    x = 71,451,721.49/12,558.48
  6. Step 6: Final answer
    x = 5,689.52

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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.