Home / 21,745.51-32,618.58-6,163.14

Finding the Fourth Proportional to 21,745.51, 32,618.58 and 6,163.14

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Solution

The fourth proportional to 21,745.51, 32,618.58 and 6,163.14 is: 9,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.51 : 32,618.58 = 6,163.14 : x
  2. Step 2: Convert to fraction form
    21,745.51/32,618.58 = 6,163.14/x
  3. Step 3: Cross multiply
    21,745.51x = 32,618.58 × 6,163.14
  4. Step 4: Simplify right side
    21,745.51x = 201,032,681.23
  5. Step 5: Solve for x
    x = 201,032,681.23/21,745.51
  6. Step 6: Final answer
    x = 9,244.79

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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.