Home / 19,536.48-29,309.22-6,388.56

Finding the Fourth Proportional to 19,536.48, 29,309.22 and 6,388.56

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Solution

The fourth proportional to 19,536.48, 29,309.22 and 6,388.56 is: 9,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.48 : 29,309.22 = 6,388.56 : x
  2. Step 2: Convert to fraction form
    19,536.48/29,309.22 = 6,388.56/x
  3. Step 3: Cross multiply
    19,536.48x = 29,309.22 × 6,388.56
  4. Step 4: Simplify right side
    19,536.48x = 187,243,710.52
  5. Step 5: Solve for x
    x = 187,243,710.52/19,536.48
  6. Step 6: Final answer
    x = 9,584.31

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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.