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Finding the Fourth Proportional to 17,011.48, 25,517.70 and 4,699.48

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Solution

The fourth proportional to 17,011.48, 25,517.70 and 4,699.48 is: 7,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.48 : 25,517.70 = 4,699.48 : x
  2. Step 2: Convert to fraction form
    17,011.48/25,517.70 = 4,699.48/x
  3. Step 3: Cross multiply
    17,011.48x = 25,517.70 × 4,699.48
  4. Step 4: Simplify right side
    17,011.48x = 119,919,920.80
  5. Step 5: Solve for x
    x = 119,919,920.80/17,011.48
  6. Step 6: Final answer
    x = 7,049.35

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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.