Home / 18,742.83-25,865.66-10,245.42

Finding the Fourth Proportional to 18,742.83, 25,865.66 and 10,245.42

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Solution

The fourth proportional to 18,742.83, 25,865.66 and 10,245.42 is: 14,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.83 : 25,865.66 = 10,245.42 : x
  2. Step 2: Convert to fraction form
    18,742.83/25,865.66 = 10,245.42/x
  3. Step 3: Cross multiply
    18,742.83x = 25,865.66 × 10,245.42
  4. Step 4: Simplify right side
    18,742.83x = 265,004,499.05
  5. Step 5: Solve for x
    x = 265,004,499.05/18,742.83
  6. Step 6: Final answer
    x = 14,138.98

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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.