Home / 13,762.22-20,631.66-5,448.11

Finding the Fourth Proportional to 13,762.22, 20,631.66 and 5,448.11

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Solution

The fourth proportional to 13,762.22, 20,631.66 and 5,448.11 is: 8,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.22 : 20,631.66 = 5,448.11 : x
  2. Step 2: Convert to fraction form
    13,762.22/20,631.66 = 5,448.11/x
  3. Step 3: Cross multiply
    13,762.22x = 20,631.66 × 5,448.11
  4. Step 4: Simplify right side
    13,762.22x = 112,403,450.00
  5. Step 5: Solve for x
    x = 112,403,450.00/13,762.22
  6. Step 6: Final answer
    x = 8,167.54

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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.