Home / 12,743.43-19,122.66-4,852.59

Finding the Fourth Proportional to 12,743.43, 19,122.66 and 4,852.59

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Solution

The fourth proportional to 12,743.43, 19,122.66 and 4,852.59 is: 7,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.43 : 19,122.66 = 4,852.59 : x
  2. Step 2: Convert to fraction form
    12,743.43/19,122.66 = 4,852.59/x
  3. Step 3: Cross multiply
    12,743.43x = 19,122.66 × 4,852.59
  4. Step 4: Simplify right side
    12,743.43x = 92,794,428.69
  5. Step 5: Solve for x
    x = 92,794,428.69/12,743.43
  6. Step 6: Final answer
    x = 7,281.75

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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.