Home / 19,998.61-29,999.43-5,958.37

Finding the Fourth Proportional to 19,998.61, 29,999.43 and 5,958.37

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Solution

The fourth proportional to 19,998.61, 29,999.43 and 5,958.37 is: 8,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.61 : 29,999.43 = 5,958.37 : x
  2. Step 2: Convert to fraction form
    19,998.61/29,999.43 = 5,958.37/x
  3. Step 3: Cross multiply
    19,998.61x = 29,999.43 × 5,958.37
  4. Step 4: Simplify right side
    19,998.61x = 178,747,703.73
  5. Step 5: Solve for x
    x = 178,747,703.73/19,998.61
  6. Step 6: Final answer
    x = 8,938.01

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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.