Home / 18,399.94-25,391.21-10,441.69

Finding the Fourth Proportional to 18,399.94, 25,391.21 and 10,441.69

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Solution

The fourth proportional to 18,399.94, 25,391.21 and 10,441.69 is: 14,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.94 : 25,391.21 = 10,441.69 : x
  2. Step 2: Convert to fraction form
    18,399.94/25,391.21 = 10,441.69/x
  3. Step 3: Cross multiply
    18,399.94x = 25,391.21 × 10,441.69
  4. Step 4: Simplify right side
    18,399.94x = 265,127,143.54
  5. Step 5: Solve for x
    x = 265,127,143.54/18,399.94
  6. Step 6: Final answer
    x = 14,409.13

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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.