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Finding the Fourth Proportional to 17,197.12, 25,800.48 and 8,880.16

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Solution

The fourth proportional to 17,197.12, 25,800.48 and 8,880.16 is: 13,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.12 : 25,800.48 = 8,880.16 : x
  2. Step 2: Convert to fraction form
    17,197.12/25,800.48 = 8,880.16/x
  3. Step 3: Cross multiply
    17,197.12x = 25,800.48 × 8,880.16
  4. Step 4: Simplify right side
    17,197.12x = 229,112,390.48
  5. Step 5: Solve for x
    x = 229,112,390.48/17,197.12
  6. Step 6: Final answer
    x = 13,322.72

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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.