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Finding the Fourth Proportional to 13,116.94, 18,108.20 and 10,200.02

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Solution

The fourth proportional to 13,116.94, 18,108.20 and 10,200.02 is: 14,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.94 : 18,108.20 = 10,200.02 : x
  2. Step 2: Convert to fraction form
    13,116.94/18,108.20 = 10,200.02/x
  3. Step 3: Cross multiply
    13,116.94x = 18,108.20 × 10,200.02
  4. Step 4: Simplify right side
    13,116.94x = 184,703,937.12
  5. Step 5: Solve for x
    x = 184,703,937.12/13,116.94
  6. Step 6: Final answer
    x = 14,081.33

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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.