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Finding the Fourth Proportional to 13,095, 19,643.11 and 3,735.66

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Solution

The fourth proportional to 13,095, 19,643.11 and 3,735.66 is: 5,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095 : 19,643.11 = 3,735.66 : x
  2. Step 2: Convert to fraction form
    13,095/19,643.11 = 3,735.66/x
  3. Step 3: Cross multiply
    13,095x = 19,643.11 × 3,735.66
  4. Step 4: Simplify right side
    13,095x = 73,379,980.30
  5. Step 5: Solve for x
    x = 73,379,980.30/13,095
  6. Step 6: Final answer
    x = 5,603.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.