Home / 18,719.14-28,067.09-6,235.92

Finding the Fourth Proportional to 18,719.14, 28,067.09 and 6,235.92

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Solution

The fourth proportional to 18,719.14, 28,067.09 and 6,235.92 is: 9,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.14 : 28,067.09 = 6,235.92 : x
  2. Step 2: Convert to fraction form
    18,719.14/28,067.09 = 6,235.92/x
  3. Step 3: Cross multiply
    18,719.14x = 28,067.09 × 6,235.92
  4. Step 4: Simplify right side
    18,719.14x = 175,024,127.87
  5. Step 5: Solve for x
    x = 175,024,127.87/18,719.14
  6. Step 6: Final answer
    x = 9,350.01

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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.