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Finding the Fourth Proportional to 12,323.98, 17,007.07 and 6,658.71

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Solution

The fourth proportional to 12,323.98, 17,007.07 and 6,658.71 is: 9,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.98 : 17,007.07 = 6,658.71 : x
  2. Step 2: Convert to fraction form
    12,323.98/17,007.07 = 6,658.71/x
  3. Step 3: Cross multiply
    12,323.98x = 17,007.07 × 6,658.71
  4. Step 4: Simplify right side
    12,323.98x = 113,245,241.37
  5. Step 5: Solve for x
    x = 113,245,241.37/12,323.98
  6. Step 6: Final answer
    x = 9,189.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.