Home / 14,321.21-21,486.06-7,745.63

Finding the Fourth Proportional to 14,321.21, 21,486.06 and 7,745.63

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Solution

The fourth proportional to 14,321.21, 21,486.06 and 7,745.63 is: 11,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.21 : 21,486.06 = 7,745.63 : x
  2. Step 2: Convert to fraction form
    14,321.21/21,486.06 = 7,745.63/x
  3. Step 3: Cross multiply
    14,321.21x = 21,486.06 × 7,745.63
  4. Step 4: Simplify right side
    14,321.21x = 166,422,963.49
  5. Step 5: Solve for x
    x = 166,422,963.49/14,321.21
  6. Step 6: Final answer
    x = 11,620.74

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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.