Home / 19,894.47-29,841.75-9,356.79

Finding the Fourth Proportional to 19,894.47, 29,841.75 and 9,356.79

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Solution

The fourth proportional to 19,894.47, 29,841.75 and 9,356.79 is: 14,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.47 : 29,841.75 = 9,356.79 : x
  2. Step 2: Convert to fraction form
    19,894.47/29,841.75 = 9,356.79/x
  3. Step 3: Cross multiply
    19,894.47x = 29,841.75 × 9,356.79
  4. Step 4: Simplify right side
    19,894.47x = 279,222,987.98
  5. Step 5: Solve for x
    x = 279,222,987.98/19,894.47
  6. Step 6: Final answer
    x = 14,035.21

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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.