Home / 18,247.50-25,179.41-10,289.25

Finding the Fourth Proportional to 18,247.50, 25,179.41 and 10,289.25

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Solution

The fourth proportional to 18,247.50, 25,179.41 and 10,289.25 is: 14,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.50 : 25,179.41 = 10,289.25 : x
  2. Step 2: Convert to fraction form
    18,247.50/25,179.41 = 10,289.25/x
  3. Step 3: Cross multiply
    18,247.50x = 25,179.41 × 10,289.25
  4. Step 4: Simplify right side
    18,247.50x = 259,077,192.90
  5. Step 5: Solve for x
    x = 259,077,192.90/18,247.50
  6. Step 6: Final answer
    x = 14,197.96

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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.