Home / 19,268.12-28,904.49-6,785.56

Finding the Fourth Proportional to 19,268.12, 28,904.49 and 6,785.56

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Solution

The fourth proportional to 19,268.12, 28,904.49 and 6,785.56 is: 10,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.12 : 28,904.49 = 6,785.56 : x
  2. Step 2: Convert to fraction form
    19,268.12/28,904.49 = 6,785.56/x
  3. Step 3: Cross multiply
    19,268.12x = 28,904.49 × 6,785.56
  4. Step 4: Simplify right side
    19,268.12x = 196,133,151.16
  5. Step 5: Solve for x
    x = 196,133,151.16/19,268.12
  6. Step 6: Final answer
    x = 10,179.15

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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.