Home / 19,107.90-28,663.20-5,067.81

Finding the Fourth Proportional to 19,107.90, 28,663.20 and 5,067.81

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Solution

The fourth proportional to 19,107.90, 28,663.20 and 5,067.81 is: 7,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.90 : 28,663.20 = 5,067.81 : x
  2. Step 2: Convert to fraction form
    19,107.90/28,663.20 = 5,067.81/x
  3. Step 3: Cross multiply
    19,107.90x = 28,663.20 × 5,067.81
  4. Step 4: Simplify right side
    19,107.90x = 145,259,651.59
  5. Step 5: Solve for x
    x = 145,259,651.59/19,107.90
  6. Step 6: Final answer
    x = 7,602.07

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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.