Home / 13,017.22-19,517.88-5,110.26

Finding the Fourth Proportional to 13,017.22, 19,517.88 and 5,110.26

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Solution

The fourth proportional to 13,017.22, 19,517.88 and 5,110.26 is: 7,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.22 : 19,517.88 = 5,110.26 : x
  2. Step 2: Convert to fraction form
    13,017.22/19,517.88 = 5,110.26/x
  3. Step 3: Cross multiply
    13,017.22x = 19,517.88 × 5,110.26
  4. Step 4: Simplify right side
    13,017.22x = 99,741,441.45
  5. Step 5: Solve for x
    x = 99,741,441.45/13,017.22
  6. Step 6: Final answer
    x = 7,662.27

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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.