Home / 18,134.43-27,198.51-4,807.51

Finding the Fourth Proportional to 18,134.43, 27,198.51 and 4,807.51

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Solution

The fourth proportional to 18,134.43, 27,198.51 and 4,807.51 is: 7,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.43 : 27,198.51 = 4,807.51 : x
  2. Step 2: Convert to fraction form
    18,134.43/27,198.51 = 4,807.51/x
  3. Step 3: Cross multiply
    18,134.43x = 27,198.51 × 4,807.51
  4. Step 4: Simplify right side
    18,134.43x = 130,757,090.78
  5. Step 5: Solve for x
    x = 130,757,090.78/18,134.43
  6. Step 6: Final answer
    x = 7,210.43

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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.