Home / 20,196.24-30,294.36-9,089.96

Finding the Fourth Proportional to 20,196.24, 30,294.36 and 9,089.96

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Solution

The fourth proportional to 20,196.24, 30,294.36 and 9,089.96 is: 13,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.24 : 30,294.36 = 9,089.96 : x
  2. Step 2: Convert to fraction form
    20,196.24/30,294.36 = 9,089.96/x
  3. Step 3: Cross multiply
    20,196.24x = 30,294.36 × 9,089.96
  4. Step 4: Simplify right side
    20,196.24x = 275,374,369.15
  5. Step 5: Solve for x
    x = 275,374,369.15/20,196.24
  6. Step 6: Final answer
    x = 13,634.93

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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.