Home / 18,557.21-27,833.59-5,231.21

Finding the Fourth Proportional to 18,557.21, 27,833.59 and 5,231.21

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Solution

The fourth proportional to 18,557.21, 27,833.59 and 5,231.21 is: 7,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.21 : 27,833.59 = 5,231.21 : x
  2. Step 2: Convert to fraction form
    18,557.21/27,833.59 = 5,231.21/x
  3. Step 3: Cross multiply
    18,557.21x = 27,833.59 × 5,231.21
  4. Step 4: Simplify right side
    18,557.21x = 145,603,202.10
  5. Step 5: Solve for x
    x = 145,603,202.10/18,557.21
  6. Step 6: Final answer
    x = 7,846.18

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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.