Home / 19,111.43-28,645.14-7,414.76

Finding the Fourth Proportional to 19,111.43, 28,645.14 and 7,414.76

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Solution

The fourth proportional to 19,111.43, 28,645.14 and 7,414.76 is: 11,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.43 : 28,645.14 = 7,414.76 : x
  2. Step 2: Convert to fraction form
    19,111.43/28,645.14 = 7,414.76/x
  3. Step 3: Cross multiply
    19,111.43x = 28,645.14 × 7,414.76
  4. Step 4: Simplify right side
    19,111.43x = 212,396,838.27
  5. Step 5: Solve for x
    x = 212,396,838.27/19,111.43
  6. Step 6: Final answer
    x = 11,113.60

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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.