Home / 13,110-19,669.68-6,093.36

Finding the Fourth Proportional to 13,110, 19,669.68 and 6,093.36

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Solution

The fourth proportional to 13,110, 19,669.68 and 6,093.36 is: 9,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110 : 19,669.68 = 6,093.36 : x
  2. Step 2: Convert to fraction form
    13,110/19,669.68 = 6,093.36/x
  3. Step 3: Cross multiply
    13,110x = 19,669.68 × 6,093.36
  4. Step 4: Simplify right side
    13,110x = 119,854,441.32
  5. Step 5: Solve for x
    x = 119,854,441.32/13,110
  6. Step 6: Final answer
    x = 9,142.22

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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.