Home / 19,201.20-28,795.20-9,334.12

Finding the Fourth Proportional to 19,201.20, 28,795.20 and 9,334.12

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Solution

The fourth proportional to 19,201.20, 28,795.20 and 9,334.12 is: 13,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.20 : 28,795.20 = 9,334.12 : x
  2. Step 2: Convert to fraction form
    19,201.20/28,795.20 = 9,334.12/x
  3. Step 3: Cross multiply
    19,201.20x = 28,795.20 × 9,334.12
  4. Step 4: Simplify right side
    19,201.20x = 268,777,852.22
  5. Step 5: Solve for x
    x = 268,777,852.22/19,201.20
  6. Step 6: Final answer
    x = 13,997.97

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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.