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Finding the Fourth Proportional to 12,174.53, 16,800.48 and 6,869.03

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Solution

The fourth proportional to 12,174.53, 16,800.48 and 6,869.03 is: 9,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.53 : 16,800.48 = 6,869.03 : x
  2. Step 2: Convert to fraction form
    12,174.53/16,800.48 = 6,869.03/x
  3. Step 3: Cross multiply
    12,174.53x = 16,800.48 × 6,869.03
  4. Step 4: Simplify right side
    12,174.53x = 115,402,917.13
  5. Step 5: Solve for x
    x = 115,402,917.13/12,174.53
  6. Step 6: Final answer
    x = 9,479.05

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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.