Home / 13,277.24-19,914.24-5,485.04

Finding the Fourth Proportional to 13,277.24, 19,914.24 and 5,485.04

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Solution

The fourth proportional to 13,277.24, 19,914.24 and 5,485.04 is: 8,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.24 : 19,914.24 = 5,485.04 : x
  2. Step 2: Convert to fraction form
    13,277.24/19,914.24 = 5,485.04/x
  3. Step 3: Cross multiply
    13,277.24x = 19,914.24 × 5,485.04
  4. Step 4: Simplify right side
    13,277.24x = 109,230,402.97
  5. Step 5: Solve for x
    x = 109,230,402.97/13,277.24
  6. Step 6: Final answer
    x = 8,226.89

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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.