Home / 19,930.86-29,889.29-5,887.14

Finding the Fourth Proportional to 19,930.86, 29,889.29 and 5,887.14

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Solution

The fourth proportional to 19,930.86, 29,889.29 and 5,887.14 is: 8,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.86 : 29,889.29 = 5,887.14 : x
  2. Step 2: Convert to fraction form
    19,930.86/29,889.29 = 5,887.14/x
  3. Step 3: Cross multiply
    19,930.86x = 29,889.29 × 5,887.14
  4. Step 4: Simplify right side
    19,930.86x = 175,962,434.73
  5. Step 5: Solve for x
    x = 175,962,434.73/19,930.86
  6. Step 6: Final answer
    x = 8,828.64

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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.