Home / 19,781.24-29,673.88-6,634.92

Finding the Fourth Proportional to 19,781.24, 29,673.88 and 6,634.92

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Solution

The fourth proportional to 19,781.24, 29,673.88 and 6,634.92 is: 9,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.24 : 29,673.88 = 6,634.92 : x
  2. Step 2: Convert to fraction form
    19,781.24/29,673.88 = 6,634.92/x
  3. Step 3: Cross multiply
    19,781.24x = 29,673.88 × 6,634.92
  4. Step 4: Simplify right side
    19,781.24x = 196,883,819.89
  5. Step 5: Solve for x
    x = 196,883,819.89/19,781.24
  6. Step 6: Final answer
    x = 9,953.06

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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.