Home / 17,414.40-26,121.60-12,165.60

Finding the Fourth Proportional to 17,414.40, 26,121.60 and 12,165.60

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Solution

The fourth proportional to 17,414.40, 26,121.60 and 12,165.60 is: 18,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,414.40 : 26,121.60 = 12,165.60 : x
  2. Step 2: Convert to fraction form
    17,414.40/26,121.60 = 12,165.60/x
  3. Step 3: Cross multiply
    17,414.40x = 26,121.60 × 12,165.60
  4. Step 4: Simplify right side
    17,414.40x = 317,784,936.96
  5. Step 5: Solve for x
    x = 317,784,936.96/17,414.40
  6. Step 6: Final answer
    x = 18,248.40

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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.