Home / 18,389.37-27,579.50-5,241.86

Finding the Fourth Proportional to 18,389.37, 27,579.50 and 5,241.86

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Solution

The fourth proportional to 18,389.37, 27,579.50 and 5,241.86 is: 7,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.37 : 27,579.50 = 5,241.86 : x
  2. Step 2: Convert to fraction form
    18,389.37/27,579.50 = 5,241.86/x
  3. Step 3: Cross multiply
    18,389.37x = 27,579.50 × 5,241.86
  4. Step 4: Simplify right side
    18,389.37x = 144,567,877.87
  5. Step 5: Solve for x
    x = 144,567,877.87/18,389.37
  6. Step 6: Final answer
    x = 7,861.49

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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.