Home / 12,902.59-19,357.22-4,137.58

Finding the Fourth Proportional to 12,902.59, 19,357.22 and 4,137.58

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Solution

The fourth proportional to 12,902.59, 19,357.22 and 4,137.58 is: 6,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.59 : 19,357.22 = 4,137.58 : x
  2. Step 2: Convert to fraction form
    12,902.59/19,357.22 = 4,137.58/x
  3. Step 3: Cross multiply
    12,902.59x = 19,357.22 × 4,137.58
  4. Step 4: Simplify right side
    12,902.59x = 80,092,046.33
  5. Step 5: Solve for x
    x = 80,092,046.33/12,902.59
  6. Step 6: Final answer
    x = 6,207.44

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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.