Home / 19,993.96-29,999.58-10,766.44

Finding the Fourth Proportional to 19,993.96, 29,999.58 and 10,766.44

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Solution

The fourth proportional to 19,993.96, 29,999.58 and 10,766.44 is: 16,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.96 : 29,999.58 = 10,766.44 : x
  2. Step 2: Convert to fraction form
    19,993.96/29,999.58 = 10,766.44/x
  3. Step 3: Cross multiply
    19,993.96x = 29,999.58 × 10,766.44
  4. Step 4: Simplify right side
    19,993.96x = 322,988,678.10
  5. Step 5: Solve for x
    x = 322,988,678.10/19,993.96
  6. Step 6: Final answer
    x = 16,154.31

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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.