Home / 19,811.08-29,720.94-5,959

Finding the Fourth Proportional to 19,811.08, 29,720.94 and 5,959

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Solution

The fourth proportional to 19,811.08, 29,720.94 and 5,959 is: 8,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.08 : 29,720.94 = 5,959 : x
  2. Step 2: Convert to fraction form
    19,811.08/29,720.94 = 5,959/x
  3. Step 3: Cross multiply
    19,811.08x = 29,720.94 × 5,959
  4. Step 4: Simplify right side
    19,811.08x = 177,107,081.46
  5. Step 5: Solve for x
    x = 177,107,081.46/19,811.08
  6. Step 6: Final answer
    x = 8,939.80

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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.