Home / 12,330.34-18,497.30-3,893.99

Finding the Fourth Proportional to 12,330.34, 18,497.30 and 3,893.99

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Solution

The fourth proportional to 12,330.34, 18,497.30 and 3,893.99 is: 5,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.34 : 18,497.30 = 3,893.99 : x
  2. Step 2: Convert to fraction form
    12,330.34/18,497.30 = 3,893.99/x
  3. Step 3: Cross multiply
    12,330.34x = 18,497.30 × 3,893.99
  4. Step 4: Simplify right side
    12,330.34x = 72,028,326.17
  5. Step 5: Solve for x
    x = 72,028,326.17/12,330.34
  6. Step 6: Final answer
    x = 5,841.55

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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.