Home / 21,745.74-32,618.91-6,163.35

Finding the Fourth Proportional to 21,745.74, 32,618.91 and 6,163.35

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Solution

The fourth proportional to 21,745.74, 32,618.91 and 6,163.35 is: 9,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.74 : 32,618.91 = 6,163.35 : x
  2. Step 2: Convert to fraction form
    21,745.74/32,618.91 = 6,163.35/x
  3. Step 3: Cross multiply
    21,745.74x = 32,618.91 × 6,163.35
  4. Step 4: Simplify right side
    21,745.74x = 201,041,758.95
  5. Step 5: Solve for x
    x = 201,041,758.95/21,745.74
  6. Step 6: Final answer
    x = 9,245.11

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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.