Home / 17,137.36-25,720.62-12,219.04

Finding the Fourth Proportional to 17,137.36, 25,720.62 and 12,219.04

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Solution

The fourth proportional to 17,137.36, 25,720.62 and 12,219.04 is: 18,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,137.36 : 25,720.62 = 12,219.04 : x
  2. Step 2: Convert to fraction form
    17,137.36/25,720.62 = 12,219.04/x
  3. Step 3: Cross multiply
    17,137.36x = 25,720.62 × 12,219.04
  4. Step 4: Simplify right side
    17,137.36x = 314,281,284.60
  5. Step 5: Solve for x
    x = 314,281,284.60/17,137.36
  6. Step 6: Final answer
    x = 18,338.96

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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.