Home / 13,194.44-18,207.62-7,224.98

Finding the Fourth Proportional to 13,194.44, 18,207.62 and 7,224.98

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Solution

The fourth proportional to 13,194.44, 18,207.62 and 7,224.98 is: 9,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.44 : 18,207.62 = 7,224.98 : x
  2. Step 2: Convert to fraction form
    13,194.44/18,207.62 = 7,224.98/x
  3. Step 3: Cross multiply
    13,194.44x = 18,207.62 × 7,224.98
  4. Step 4: Simplify right side
    13,194.44x = 131,549,690.35
  5. Step 5: Solve for x
    x = 131,549,690.35/13,194.44
  6. Step 6: Final answer
    x = 9,970.09

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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.