Home / 13,414.76-18,511.50-7,446.43

Finding the Fourth Proportional to 13,414.76, 18,511.50 and 7,446.43

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Solution

The fourth proportional to 13,414.76, 18,511.50 and 7,446.43 is: 10,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.76 : 18,511.50 = 7,446.43 : x
  2. Step 2: Convert to fraction form
    13,414.76/18,511.50 = 7,446.43/x
  3. Step 3: Cross multiply
    13,414.76x = 18,511.50 × 7,446.43
  4. Step 4: Simplify right side
    13,414.76x = 137,844,588.95
  5. Step 5: Solve for x
    x = 137,844,588.95/13,414.76
  6. Step 6: Final answer
    x = 10,275.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.