Home / 18,729.56-25,847.58-10,771.79

Finding the Fourth Proportional to 18,729.56, 25,847.58 and 10,771.79

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Solution

The fourth proportional to 18,729.56, 25,847.58 and 10,771.79 is: 14,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.56 : 25,847.58 = 10,771.79 : x
  2. Step 2: Convert to fraction form
    18,729.56/25,847.58 = 10,771.79/x
  3. Step 3: Cross multiply
    18,729.56x = 25,847.58 × 10,771.79
  4. Step 4: Simplify right side
    18,729.56x = 278,424,703.77
  5. Step 5: Solve for x
    x = 278,424,703.77/18,729.56
  6. Step 6: Final answer
    x = 14,865.52

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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.