Home / 17,116.70-25,638.60-13,836.20

Finding the Fourth Proportional to 17,116.70, 25,638.60 and 13,836.20

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Solution

The fourth proportional to 17,116.70, 25,638.60 and 13,836.20 is: 20,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.70 : 25,638.60 = 13,836.20 : x
  2. Step 2: Convert to fraction form
    17,116.70/25,638.60 = 13,836.20/x
  3. Step 3: Cross multiply
    17,116.70x = 25,638.60 × 13,836.20
  4. Step 4: Simplify right side
    17,116.70x = 354,740,797.32
  5. Step 5: Solve for x
    x = 354,740,797.32/17,116.70
  6. Step 6: Final answer
    x = 20,724.84

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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.