Home / 19,929.86-29,887.79-5,886.14

Finding the Fourth Proportional to 19,929.86, 29,887.79 and 5,886.14

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Solution

The fourth proportional to 19,929.86, 29,887.79 and 5,886.14 is: 8,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.86 : 29,887.79 = 5,886.14 : x
  2. Step 2: Convert to fraction form
    19,929.86/29,887.79 = 5,886.14/x
  3. Step 3: Cross multiply
    19,929.86x = 29,887.79 × 5,886.14
  4. Step 4: Simplify right side
    19,929.86x = 175,923,716.23
  5. Step 5: Solve for x
    x = 175,923,716.23/19,929.86
  6. Step 6: Final answer
    x = 8,827.14

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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.