Home / 18,544.09-25,591.30-10,989.19

Finding the Fourth Proportional to 18,544.09, 25,591.30 and 10,989.19

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Solution

The fourth proportional to 18,544.09, 25,591.30 and 10,989.19 is: 15,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.09 : 25,591.30 = 10,989.19 : x
  2. Step 2: Convert to fraction form
    18,544.09/25,591.30 = 10,989.19/x
  3. Step 3: Cross multiply
    18,544.09x = 25,591.30 × 10,989.19
  4. Step 4: Simplify right side
    18,544.09x = 281,227,811.81
  5. Step 5: Solve for x
    x = 281,227,811.81/18,544.09
  6. Step 6: Final answer
    x = 15,165.36

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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.