Home / 13,194.56-18,208.58-7,226.28

Finding the Fourth Proportional to 13,194.56, 18,208.58 and 7,226.28

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Solution

The fourth proportional to 13,194.56, 18,208.58 and 7,226.28 is: 9,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.56 : 18,208.58 = 7,226.28 : x
  2. Step 2: Convert to fraction form
    13,194.56/18,208.58 = 7,226.28/x
  3. Step 3: Cross multiply
    13,194.56x = 18,208.58 × 7,226.28
  4. Step 4: Simplify right side
    13,194.56x = 131,580,261.35
  5. Step 5: Solve for x
    x = 131,580,261.35/13,194.56
  6. Step 6: Final answer
    x = 9,972.31

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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.