Home / 19,696.82-29,556.47-7,215.19

Finding the Fourth Proportional to 19,696.82, 29,556.47 and 7,215.19

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Solution

The fourth proportional to 19,696.82, 29,556.47 and 7,215.19 is: 10,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.82 : 29,556.47 = 7,215.19 : x
  2. Step 2: Convert to fraction form
    19,696.82/29,556.47 = 7,215.19/x
  3. Step 3: Cross multiply
    19,696.82x = 29,556.47 × 7,215.19
  4. Step 4: Simplify right side
    19,696.82x = 213,255,490.93
  5. Step 5: Solve for x
    x = 213,255,490.93/19,696.82
  6. Step 6: Final answer
    x = 10,826.90

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1.5x scale

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.