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Finding the Fourth Proportional to 11,699.98, 17,550.04 and 4,680.58

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Solution

The fourth proportional to 11,699.98, 17,550.04 and 4,680.58 is: 7,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.98 : 17,550.04 = 4,680.58 : x
  2. Step 2: Convert to fraction form
    11,699.98/17,550.04 = 4,680.58/x
  3. Step 3: Cross multiply
    11,699.98x = 17,550.04 × 4,680.58
  4. Step 4: Simplify right side
    11,699.98x = 82,144,366.22
  5. Step 5: Solve for x
    x = 82,144,366.22/11,699.98
  6. Step 6: Final answer
    x = 7,020.90

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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.