Home / 18,674.47-28,022.64-10,361.44

Finding the Fourth Proportional to 18,674.47, 28,022.64 and 10,361.44

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Solution

The fourth proportional to 18,674.47, 28,022.64 and 10,361.44 is: 15,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.47 : 28,022.64 = 10,361.44 : x
  2. Step 2: Convert to fraction form
    18,674.47/28,022.64 = 10,361.44/x
  3. Step 3: Cross multiply
    18,674.47x = 28,022.64 × 10,361.44
  4. Step 4: Simplify right side
    18,674.47x = 290,354,903.00
  5. Step 5: Solve for x
    x = 290,354,903.00/18,674.47
  6. Step 6: Final answer
    x = 15,548.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.