Home / 18,247.49-25,181.50-10,289.66

Finding the Fourth Proportional to 18,247.49, 25,181.50 and 10,289.66

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Solution

The fourth proportional to 18,247.49, 25,181.50 and 10,289.66 is: 14,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.49 : 25,181.50 = 10,289.66 : x
  2. Step 2: Convert to fraction form
    18,247.49/25,181.50 = 10,289.66/x
  3. Step 3: Cross multiply
    18,247.49x = 25,181.50 × 10,289.66
  4. Step 4: Simplify right side
    18,247.49x = 259,109,073.29
  5. Step 5: Solve for x
    x = 259,109,073.29/18,247.49
  6. Step 6: Final answer
    x = 14,199.71

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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.