Home / 13,071.15-19,606.37-5,177.79

Finding the Fourth Proportional to 13,071.15, 19,606.37 and 5,177.79

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Solution

The fourth proportional to 13,071.15, 19,606.37 and 5,177.79 is: 7,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.15 : 19,606.37 = 5,177.79 : x
  2. Step 2: Convert to fraction form
    13,071.15/19,606.37 = 5,177.79/x
  3. Step 3: Cross multiply
    13,071.15x = 19,606.37 × 5,177.79
  4. Step 4: Simplify right side
    13,071.15x = 101,517,640.63
  5. Step 5: Solve for x
    x = 101,517,640.63/13,071.15
  6. Step 6: Final answer
    x = 7,766.54

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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.