Home / 13,072.85-19,601.37-5,272.55

Finding the Fourth Proportional to 13,072.85, 19,601.37 and 5,272.55

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Solution

The fourth proportional to 13,072.85, 19,601.37 and 5,272.55 is: 7,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.85 : 19,601.37 = 5,272.55 : x
  2. Step 2: Convert to fraction form
    13,072.85/19,601.37 = 5,272.55/x
  3. Step 3: Cross multiply
    13,072.85x = 19,601.37 × 5,272.55
  4. Step 4: Simplify right side
    13,072.85x = 103,349,203.39
  5. Step 5: Solve for x
    x = 103,349,203.39/13,072.85
  6. Step 6: Final answer
    x = 7,905.64

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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.