Home / 12,344.80-18,504.24-8,880.16

Finding the Fourth Proportional to 12,344.80, 18,504.24 and 8,880.16

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Solution

The fourth proportional to 12,344.80, 18,504.24 and 8,880.16 is: 13,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.80 : 18,504.24 = 8,880.16 : x
  2. Step 2: Convert to fraction form
    12,344.80/18,504.24 = 8,880.16/x
  3. Step 3: Cross multiply
    12,344.80x = 18,504.24 × 8,880.16
  4. Step 4: Simplify right side
    12,344.80x = 164,320,611.88
  5. Step 5: Solve for x
    x = 164,320,611.88/12,344.80
  6. Step 6: Final answer
    x = 13,310.92

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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.