Home / 12,234.07-18,349.93-3,911.84

Finding the Fourth Proportional to 12,234.07, 18,349.93 and 3,911.84

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Solution

The fourth proportional to 12,234.07, 18,349.93 and 3,911.84 is: 5,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.07 : 18,349.93 = 3,911.84 : x
  2. Step 2: Convert to fraction form
    12,234.07/18,349.93 = 3,911.84/x
  3. Step 3: Cross multiply
    12,234.07x = 18,349.93 × 3,911.84
  4. Step 4: Simplify right side
    12,234.07x = 71,781,970.61
  5. Step 5: Solve for x
    x = 71,781,970.61/12,234.07
  6. Step 6: Final answer
    x = 5,867.39

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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.