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Finding the Fourth Proportional to 12,179.69, 16,807.97 and 6,590.69

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Solution

The fourth proportional to 12,179.69, 16,807.97 and 6,590.69 is: 9,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.69 : 16,807.97 = 6,590.69 : x
  2. Step 2: Convert to fraction form
    12,179.69/16,807.97 = 6,590.69/x
  3. Step 3: Cross multiply
    12,179.69x = 16,807.97 × 6,590.69
  4. Step 4: Simplify right side
    12,179.69x = 110,776,119.80
  5. Step 5: Solve for x
    x = 110,776,119.80/12,179.69
  6. Step 6: Final answer
    x = 9,095.15

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