Home / 18,544.37-25,589.58-10,989.42

Finding the Fourth Proportional to 18,544.37, 25,589.58 and 10,989.42

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Solution

The fourth proportional to 18,544.37, 25,589.58 and 10,989.42 is: 15,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.37 : 25,589.58 = 10,989.42 : x
  2. Step 2: Convert to fraction form
    18,544.37/25,589.58 = 10,989.42/x
  3. Step 3: Cross multiply
    18,544.37x = 25,589.58 × 10,989.42
  4. Step 4: Simplify right side
    18,544.37x = 281,214,649.01
  5. Step 5: Solve for x
    x = 281,214,649.01/18,544.37
  6. Step 6: Final answer
    x = 15,164.42

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Half scale
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Double scale
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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.