Home / 19,610.68-29,419.26-7,760.92

Finding the Fourth Proportional to 19,610.68, 29,419.26 and 7,760.92

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Solution

The fourth proportional to 19,610.68, 29,419.26 and 7,760.92 is: 11,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.68 : 29,419.26 = 7,760.92 : x
  2. Step 2: Convert to fraction form
    19,610.68/29,419.26 = 7,760.92/x
  3. Step 3: Cross multiply
    19,610.68x = 29,419.26 × 7,760.92
  4. Step 4: Simplify right side
    19,610.68x = 228,320,523.32
  5. Step 5: Solve for x
    x = 228,320,523.32/19,610.68
  6. Step 6: Final answer
    x = 11,642.66

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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.