Home / 13,194.77-18,208.80-7,226.43

Finding the Fourth Proportional to 13,194.77, 18,208.80 and 7,226.43

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Solution

The fourth proportional to 13,194.77, 18,208.80 and 7,226.43 is: 9,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.77 : 18,208.80 = 7,226.43 : x
  2. Step 2: Convert to fraction form
    13,194.77/18,208.80 = 7,226.43/x
  3. Step 3: Cross multiply
    13,194.77x = 18,208.80 × 7,226.43
  4. Step 4: Simplify right side
    13,194.77x = 131,584,618.58
  5. Step 5: Solve for x
    x = 131,584,618.58/13,194.77
  6. Step 6: Final answer
    x = 9,972.49

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Double scale
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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.