Home / 19,736.36-29,606.48-5,696.72

Finding the Fourth Proportional to 19,736.36, 29,606.48 and 5,696.72

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Solution

The fourth proportional to 19,736.36, 29,606.48 and 5,696.72 is: 8,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.36 : 29,606.48 = 5,696.72 : x
  2. Step 2: Convert to fraction form
    19,736.36/29,606.48 = 5,696.72/x
  3. Step 3: Cross multiply
    19,736.36x = 29,606.48 × 5,696.72
  4. Step 4: Simplify right side
    19,736.36x = 168,659,826.75
  5. Step 5: Solve for x
    x = 168,659,826.75/19,736.36
  6. Step 6: Final answer
    x = 8,545.64

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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.