Home / 12,316.44-18,466.22-4,418.79

Finding the Fourth Proportional to 12,316.44, 18,466.22 and 4,418.79

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Solution

The fourth proportional to 12,316.44, 18,466.22 and 4,418.79 is: 6,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.44 : 18,466.22 = 4,418.79 : x
  2. Step 2: Convert to fraction form
    12,316.44/18,466.22 = 4,418.79/x
  3. Step 3: Cross multiply
    12,316.44x = 18,466.22 × 4,418.79
  4. Step 4: Simplify right side
    12,316.44x = 81,598,326.18
  5. Step 5: Solve for x
    x = 81,598,326.18/12,316.44
  6. Step 6: Final answer
    x = 6,625.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.