Home / 21,993.62-30,353.37-12,563.60

Finding the Fourth Proportional to 21,993.62, 30,353.37 and 12,563.60

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Solution

The fourth proportional to 21,993.62, 30,353.37 and 12,563.60 is: 17,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.62 : 30,353.37 = 12,563.60 : x
  2. Step 2: Convert to fraction form
    21,993.62/30,353.37 = 12,563.60/x
  3. Step 3: Cross multiply
    21,993.62x = 30,353.37 × 12,563.60
  4. Step 4: Simplify right side
    21,993.62x = 381,347,599.33
  5. Step 5: Solve for x
    x = 381,347,599.33/21,993.62
  6. Step 6: Final answer
    x = 17,339.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.