Home / 13,517.22-20,267.16-5,625.21

Finding the Fourth Proportional to 13,517.22, 20,267.16 and 5,625.21

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Solution

The fourth proportional to 13,517.22, 20,267.16 and 5,625.21 is: 8,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.22 : 20,267.16 = 5,625.21 : x
  2. Step 2: Convert to fraction form
    13,517.22/20,267.16 = 5,625.21/x
  3. Step 3: Cross multiply
    13,517.22x = 20,267.16 × 5,625.21
  4. Step 4: Simplify right side
    13,517.22x = 114,007,031.10
  5. Step 5: Solve for x
    x = 114,007,031.10/13,517.22
  6. Step 6: Final answer
    x = 8,434.21

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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.