Home / 13,414.05-20,140.82-7,502.52

Finding the Fourth Proportional to 13,414.05, 20,140.82 and 7,502.52

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Solution

The fourth proportional to 13,414.05, 20,140.82 and 7,502.52 is: 11,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.05 : 20,140.82 = 7,502.52 : x
  2. Step 2: Convert to fraction form
    13,414.05/20,140.82 = 7,502.52/x
  3. Step 3: Cross multiply
    13,414.05x = 20,140.82 × 7,502.52
  4. Step 4: Simplify right side
    13,414.05x = 151,106,854.51
  5. Step 5: Solve for x
    x = 151,106,854.51/13,414.05
  6. Step 6: Final answer
    x = 11,264.82

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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.