Home / 13,975.82-19,285-8,007.14

Finding the Fourth Proportional to 13,975.82, 19,285 and 8,007.14

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Solution

The fourth proportional to 13,975.82, 19,285 and 8,007.14 is: 11,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.82 : 19,285 = 8,007.14 : x
  2. Step 2: Convert to fraction form
    13,975.82/19,285 = 8,007.14/x
  3. Step 3: Cross multiply
    13,975.82x = 19,285 × 8,007.14
  4. Step 4: Simplify right side
    13,975.82x = 154,417,694.90
  5. Step 5: Solve for x
    x = 154,417,694.90/13,975.82
  6. Step 6: Final answer
    x = 11,048.92

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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.