Home / 18,119.50-25,004.96-10,571.02

Finding the Fourth Proportional to 18,119.50, 25,004.96 and 10,571.02

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Solution

The fourth proportional to 18,119.50, 25,004.96 and 10,571.02 is: 14,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.50 : 25,004.96 = 10,571.02 : x
  2. Step 2: Convert to fraction form
    18,119.50/25,004.96 = 10,571.02/x
  3. Step 3: Cross multiply
    18,119.50x = 25,004.96 × 10,571.02
  4. Step 4: Simplify right side
    18,119.50x = 264,327,879.40
  5. Step 5: Solve for x
    x = 264,327,879.40/18,119.50
  6. Step 6: Final answer
    x = 14,588.03

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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.