Home / 21,183.21-31,775.04-6,392.26

Finding the Fourth Proportional to 21,183.21, 31,775.04 and 6,392.26

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Solution

The fourth proportional to 21,183.21, 31,775.04 and 6,392.26 is: 9,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.21 : 31,775.04 = 6,392.26 : x
  2. Step 2: Convert to fraction form
    21,183.21/31,775.04 = 6,392.26/x
  3. Step 3: Cross multiply
    21,183.21x = 31,775.04 × 6,392.26
  4. Step 4: Simplify right side
    21,183.21x = 203,114,237.75
  5. Step 5: Solve for x
    x = 203,114,237.75/21,183.21
  6. Step 6: Final answer
    x = 9,588.45

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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.