Home / 19,634.17-29,433.84-7,151.88

Finding the Fourth Proportional to 19,634.17, 29,433.84 and 7,151.88

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Solution

The fourth proportional to 19,634.17, 29,433.84 and 7,151.88 is: 10,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.17 : 29,433.84 = 7,151.88 : x
  2. Step 2: Convert to fraction form
    19,634.17/29,433.84 = 7,151.88/x
  3. Step 3: Cross multiply
    19,634.17x = 29,433.84 × 7,151.88
  4. Step 4: Simplify right side
    19,634.17x = 210,507,291.62
  5. Step 5: Solve for x
    x = 210,507,291.62/19,634.17
  6. Step 6: Final answer
    x = 10,721.48

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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.