Home / 19,553.76-29,308.32-7,859.52

Finding the Fourth Proportional to 19,553.76, 29,308.32 and 7,859.52

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Solution

The fourth proportional to 19,553.76, 29,308.32 and 7,859.52 is: 11,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.76 : 29,308.32 = 7,859.52 : x
  2. Step 2: Convert to fraction form
    19,553.76/29,308.32 = 7,859.52/x
  3. Step 3: Cross multiply
    19,553.76x = 29,308.32 × 7,859.52
  4. Step 4: Simplify right side
    19,553.76x = 230,349,327.21
  5. Step 5: Solve for x
    x = 230,349,327.21/19,553.76
  6. Step 6: Final answer
    x = 11,780.31

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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.