Home / 19,999.23-29,998.48-5,968.78

Finding the Fourth Proportional to 19,999.23, 29,998.48 and 5,968.78

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Solution

The fourth proportional to 19,999.23, 29,998.48 and 5,968.78 is: 8,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999.23 : 29,998.48 = 5,968.78 : x
  2. Step 2: Convert to fraction form
    19,999.23/29,998.48 = 5,968.78/x
  3. Step 3: Cross multiply
    19,999.23x = 29,998.48 × 5,968.78
  4. Step 4: Simplify right side
    19,999.23x = 179,054,327.45
  5. Step 5: Solve for x
    x = 179,054,327.45/19,999.23
  6. Step 6: Final answer
    x = 8,953.06

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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.