Home / 13,784.46-19,022.68-8,194.38

Finding the Fourth Proportional to 13,784.46, 19,022.68 and 8,194.38

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Solution

The fourth proportional to 13,784.46, 19,022.68 and 8,194.38 is: 11,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.46 : 19,022.68 = 8,194.38 : x
  2. Step 2: Convert to fraction form
    13,784.46/19,022.68 = 8,194.38/x
  3. Step 3: Cross multiply
    13,784.46x = 19,022.68 × 8,194.38
  4. Step 4: Simplify right side
    13,784.46x = 155,879,068.54
  5. Step 5: Solve for x
    x = 155,879,068.54/13,784.46
  6. Step 6: Final answer
    x = 11,308.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.