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Finding the Fourth Proportional to 12,174.48, 16,800.48 and 6,868.98

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Solution

The fourth proportional to 12,174.48, 16,800.48 and 6,868.98 is: 9,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.48 : 16,800.48 = 6,868.98 : x
  2. Step 2: Convert to fraction form
    12,174.48/16,800.48 = 6,868.98/x
  3. Step 3: Cross multiply
    12,174.48x = 16,800.48 × 6,868.98
  4. Step 4: Simplify right side
    12,174.48x = 115,402,161.11
  5. Step 5: Solve for x
    x = 115,402,161.11/12,174.48
  6. Step 6: Final answer
    x = 9,479.02

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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.