Home / 18,729.37-25,847.28-10,771.59

Finding the Fourth Proportional to 18,729.37, 25,847.28 and 10,771.59

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Solution

The fourth proportional to 18,729.37, 25,847.28 and 10,771.59 is: 14,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.37 : 25,847.28 = 10,771.59 : x
  2. Step 2: Convert to fraction form
    18,729.37/25,847.28 = 10,771.59/x
  3. Step 3: Cross multiply
    18,729.37x = 25,847.28 × 10,771.59
  4. Step 4: Simplify right side
    18,729.37x = 278,416,302.78
  5. Step 5: Solve for x
    x = 278,416,302.78/18,729.37
  6. Step 6: Final answer
    x = 14,865.23

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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.