Home / 13,243.98-18,276.63-7,194.18

Finding the Fourth Proportional to 13,243.98, 18,276.63 and 7,194.18

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Solution

The fourth proportional to 13,243.98, 18,276.63 and 7,194.18 is: 9,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.98 : 18,276.63 = 7,194.18 : x
  2. Step 2: Convert to fraction form
    13,243.98/18,276.63 = 7,194.18/x
  3. Step 3: Cross multiply
    13,243.98x = 18,276.63 × 7,194.18
  4. Step 4: Simplify right side
    13,243.98x = 131,485,238.66
  5. Step 5: Solve for x
    x = 131,485,238.66/13,243.98
  6. Step 6: Final answer
    x = 9,927.92

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Double scale
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Similar ratio
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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.