Home / 18,268.02-27,369.81-12,995.19

Finding the Fourth Proportional to 18,268.02, 27,369.81 and 12,995.19

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Solution

The fourth proportional to 18,268.02, 27,369.81 and 12,995.19 is: 19,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.02 : 27,369.81 = 12,995.19 : x
  2. Step 2: Convert to fraction form
    18,268.02/27,369.81 = 12,995.19/x
  3. Step 3: Cross multiply
    18,268.02x = 27,369.81 × 12,995.19
  4. Step 4: Simplify right side
    18,268.02x = 355,675,881.21
  5. Step 5: Solve for x
    x = 355,675,881.21/18,268.02
  6. Step 6: Final answer
    x = 19,469.86

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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.