Home / 18,158.60-27,224.40-9,399.80

Finding the Fourth Proportional to 18,158.60, 27,224.40 and 9,399.80

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Solution

The fourth proportional to 18,158.60, 27,224.40 and 9,399.80 is: 14,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.60 : 27,224.40 = 9,399.80 : x
  2. Step 2: Convert to fraction form
    18,158.60/27,224.40 = 9,399.80/x
  3. Step 3: Cross multiply
    18,158.60x = 27,224.40 × 9,399.80
  4. Step 4: Simplify right side
    18,158.60x = 255,903,915.12
  5. Step 5: Solve for x
    x = 255,903,915.12/18,158.60
  6. Step 6: Final answer
    x = 14,092.71

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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.