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Finding the Fourth Proportional to 12,179.84, 16,808.13 and 6,590.84

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Solution

The fourth proportional to 12,179.84, 16,808.13 and 6,590.84 is: 9,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.84 : 16,808.13 = 6,590.84 : x
  2. Step 2: Convert to fraction form
    12,179.84/16,808.13 = 6,590.84/x
  3. Step 3: Cross multiply
    12,179.84x = 16,808.13 × 6,590.84
  4. Step 4: Simplify right side
    12,179.84x = 110,779,611.49
  5. Step 5: Solve for x
    x = 110,779,611.49/12,179.84
  6. Step 6: Final answer
    x = 9,095.33

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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.