Home / 15,774.25-21,768.78-10,194.97

Finding the Fourth Proportional to 15,774.25, 21,768.78 and 10,194.97

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Solution

The fourth proportional to 15,774.25, 21,768.78 and 10,194.97 is: 14,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.25 : 21,768.78 = 10,194.97 : x
  2. Step 2: Convert to fraction form
    15,774.25/21,768.78 = 10,194.97/x
  3. Step 3: Cross multiply
    15,774.25x = 21,768.78 × 10,194.97
  4. Step 4: Simplify right side
    15,774.25x = 221,932,059.04
  5. Step 5: Solve for x
    x = 221,932,059.04/15,774.25
  6. Step 6: Final answer
    x = 14,069.26

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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.