Home / 13,238.17-18,272.77-8,522.44

Finding the Fourth Proportional to 13,238.17, 18,272.77 and 8,522.44

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Solution

The fourth proportional to 13,238.17, 18,272.77 and 8,522.44 is: 11,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.17 : 18,272.77 = 8,522.44 : x
  2. Step 2: Convert to fraction form
    13,238.17/18,272.77 = 8,522.44/x
  3. Step 3: Cross multiply
    13,238.17x = 18,272.77 × 8,522.44
  4. Step 4: Simplify right side
    13,238.17x = 155,728,518.97
  5. Step 5: Solve for x
    x = 155,728,518.97/13,238.17
  6. Step 6: Final answer
    x = 11,763.60

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Half scale
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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.