Home / 12,799.13-19,197.68-4,478.27

Finding the Fourth Proportional to 12,799.13, 19,197.68 and 4,478.27

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Solution

The fourth proportional to 12,799.13, 19,197.68 and 4,478.27 is: 6,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.13 : 19,197.68 = 4,478.27 : x
  2. Step 2: Convert to fraction form
    12,799.13/19,197.68 = 4,478.27/x
  3. Step 3: Cross multiply
    12,799.13x = 19,197.68 × 4,478.27
  4. Step 4: Simplify right side
    12,799.13x = 85,972,276.03
  5. Step 5: Solve for x
    x = 85,972,276.03/12,799.13
  6. Step 6: Final answer
    x = 6,717.04

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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.