Home / 13,414.17-20,113.46-8,976.90

Finding the Fourth Proportional to 13,414.17, 20,113.46 and 8,976.90

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Solution

The fourth proportional to 13,414.17, 20,113.46 and 8,976.90 is: 13,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.17 : 20,113.46 = 8,976.90 : x
  2. Step 2: Convert to fraction form
    13,414.17/20,113.46 = 8,976.90/x
  3. Step 3: Cross multiply
    13,414.17x = 20,113.46 × 8,976.90
  4. Step 4: Simplify right side
    13,414.17x = 180,556,474.19
  5. Step 5: Solve for x
    x = 180,556,474.19/13,414.17
  6. Step 6: Final answer
    x = 13,460.13

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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.