Home / 13,051.53-19,577.13-3,190.90

Finding the Fourth Proportional to 13,051.53, 19,577.13 and 3,190.90

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Solution

The fourth proportional to 13,051.53, 19,577.13 and 3,190.90 is: 4,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.53 : 19,577.13 = 3,190.90 : x
  2. Step 2: Convert to fraction form
    13,051.53/19,577.13 = 3,190.90/x
  3. Step 3: Cross multiply
    13,051.53x = 19,577.13 × 3,190.90
  4. Step 4: Simplify right side
    13,051.53x = 62,468,664.12
  5. Step 5: Solve for x
    x = 62,468,664.12/13,051.53
  6. Step 6: Final answer
    x = 4,786.31

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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.