Home / 12,518.44-17,282.22-9,961.17

Finding the Fourth Proportional to 12,518.44, 17,282.22 and 9,961.17

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Solution

The fourth proportional to 12,518.44, 17,282.22 and 9,961.17 is: 13,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.44 : 17,282.22 = 9,961.17 : x
  2. Step 2: Convert to fraction form
    12,518.44/17,282.22 = 9,961.17/x
  3. Step 3: Cross multiply
    12,518.44x = 17,282.22 × 9,961.17
  4. Step 4: Simplify right side
    12,518.44x = 172,151,131.40
  5. Step 5: Solve for x
    x = 172,151,131.40/12,518.44
  6. Step 6: Final answer
    x = 13,751.80

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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.