Home / 13,220.94-18,244.77-7,252.63

Finding the Fourth Proportional to 13,220.94, 18,244.77 and 7,252.63

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Solution

The fourth proportional to 13,220.94, 18,244.77 and 7,252.63 is: 10,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220.94 : 18,244.77 = 7,252.63 : x
  2. Step 2: Convert to fraction form
    13,220.94/18,244.77 = 7,252.63/x
  3. Step 3: Cross multiply
    13,220.94x = 18,244.77 × 7,252.63
  4. Step 4: Simplify right side
    13,220.94x = 132,322,566.25
  5. Step 5: Solve for x
    x = 132,322,566.25/13,220.94
  6. Step 6: Final answer
    x = 10,008.56

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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.