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Finding the Fourth Proportional to 17,274.88, 25,912.32 and 4,962.88

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Solution

The fourth proportional to 17,274.88, 25,912.32 and 4,962.88 is: 7,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,274.88 : 25,912.32 = 4,962.88 : x
  2. Step 2: Convert to fraction form
    17,274.88/25,912.32 = 4,962.88/x
  3. Step 3: Cross multiply
    17,274.88x = 25,912.32 × 4,962.88
  4. Step 4: Simplify right side
    17,274.88x = 128,599,734.68
  5. Step 5: Solve for x
    x = 128,599,734.68/17,274.88
  6. Step 6: Final answer
    x = 7,444.32

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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.