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Finding the Fourth Proportional to 13,160.35, 18,159.69 and 7,495.11

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Solution

The fourth proportional to 13,160.35, 18,159.69 and 7,495.11 is: 10,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.35 : 18,159.69 = 7,495.11 : x
  2. Step 2: Convert to fraction form
    13,160.35/18,159.69 = 7,495.11/x
  3. Step 3: Cross multiply
    13,160.35x = 18,159.69 × 7,495.11
  4. Step 4: Simplify right side
    13,160.35x = 136,108,745.84
  5. Step 5: Solve for x
    x = 136,108,745.84/13,160.35
  6. Step 6: Final answer
    x = 10,342.34

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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.