Home / 13,277.07-19,918.49-4,391.96

Finding the Fourth Proportional to 13,277.07, 19,918.49 and 4,391.96

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Solution

The fourth proportional to 13,277.07, 19,918.49 and 4,391.96 is: 6,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.07 : 19,918.49 = 4,391.96 : x
  2. Step 2: Convert to fraction form
    13,277.07/19,918.49 = 4,391.96/x
  3. Step 3: Cross multiply
    13,277.07x = 19,918.49 × 4,391.96
  4. Step 4: Simplify right side
    13,277.07x = 87,481,089.79
  5. Step 5: Solve for x
    x = 87,481,089.79/13,277.07
  6. Step 6: Final answer
    x = 6,588.89

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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.