Home / 18,247.69-25,183.35-10,291.57

Finding the Fourth Proportional to 18,247.69, 25,183.35 and 10,291.57

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Solution

The fourth proportional to 18,247.69, 25,183.35 and 10,291.57 is: 14,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.69 : 25,183.35 = 10,291.57 : x
  2. Step 2: Convert to fraction form
    18,247.69/25,183.35 = 10,291.57/x
  3. Step 3: Cross multiply
    18,247.69x = 25,183.35 × 10,291.57
  4. Step 4: Simplify right side
    18,247.69x = 259,176,209.36
  5. Step 5: Solve for x
    x = 259,176,209.36/18,247.69
  6. Step 6: Final answer
    x = 14,203.23

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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.