Home / 19,991.07-29,992.60-5,951.59

Finding the Fourth Proportional to 19,991.07, 29,992.60 and 5,951.59

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Solution

The fourth proportional to 19,991.07, 29,992.60 and 5,951.59 is: 8,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.07 : 29,992.60 = 5,951.59 : x
  2. Step 2: Convert to fraction form
    19,991.07/29,992.60 = 5,951.59/x
  3. Step 3: Cross multiply
    19,991.07x = 29,992.60 × 5,951.59
  4. Step 4: Simplify right side
    19,991.07x = 178,503,478.51
  5. Step 5: Solve for x
    x = 178,503,478.51/19,991.07
  6. Step 6: Final answer
    x = 8,929.16

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1.5x scale

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.