Home / 19,600.23-29,380.20-7,749.18

Finding the Fourth Proportional to 19,600.23, 29,380.20 and 7,749.18

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Solution

The fourth proportional to 19,600.23, 29,380.20 and 7,749.18 is: 11,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.23 : 29,380.20 = 7,749.18 : x
  2. Step 2: Convert to fraction form
    19,600.23/29,380.20 = 7,749.18/x
  3. Step 3: Cross multiply
    19,600.23x = 29,380.20 × 7,749.18
  4. Step 4: Simplify right side
    19,600.23x = 227,672,458.24
  5. Step 5: Solve for x
    x = 227,672,458.24/19,600.23
  6. Step 6: Final answer
    x = 11,615.81

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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.