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Finding the Fourth Proportional to 17,691.63, 26,534.97 and 6,596.88

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Solution

The fourth proportional to 17,691.63, 26,534.97 and 6,596.88 is: 9,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.63 : 26,534.97 = 6,596.88 : x
  2. Step 2: Convert to fraction form
    17,691.63/26,534.97 = 6,596.88/x
  3. Step 3: Cross multiply
    17,691.63x = 26,534.97 × 6,596.88
  4. Step 4: Simplify right side
    17,691.63x = 175,048,012.89
  5. Step 5: Solve for x
    x = 175,048,012.89/17,691.63
  6. Step 6: Final answer
    x = 9,894.40

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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.