Home / 12,393.88-18,593.52-4,998.58

Finding the Fourth Proportional to 12,393.88, 18,593.52 and 4,998.58

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Solution

The fourth proportional to 12,393.88, 18,593.52 and 4,998.58 is: 7,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.88 : 18,593.52 = 4,998.58 : x
  2. Step 2: Convert to fraction form
    12,393.88/18,593.52 = 4,998.58/x
  3. Step 3: Cross multiply
    12,393.88x = 18,593.52 × 4,998.58
  4. Step 4: Simplify right side
    12,393.88x = 92,941,197.20
  5. Step 5: Solve for x
    x = 92,941,197.20/12,393.88
  6. Step 6: Final answer
    x = 7,498.96

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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.