Home / 12,153.39-18,241.40-6,234.52

Finding the Fourth Proportional to 12,153.39, 18,241.40 and 6,234.52

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Solution

The fourth proportional to 12,153.39, 18,241.40 and 6,234.52 is: 9,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.39 : 18,241.40 = 6,234.52 : x
  2. Step 2: Convert to fraction form
    12,153.39/18,241.40 = 6,234.52/x
  3. Step 3: Cross multiply
    12,153.39x = 18,241.40 × 6,234.52
  4. Step 4: Simplify right side
    12,153.39x = 113,726,377.31
  5. Step 5: Solve for x
    x = 113,726,377.31/12,153.39
  6. Step 6: Final answer
    x = 9,357.58

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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.