Home / 18,238.72-27,358.26-5,758.51

Finding the Fourth Proportional to 18,238.72, 27,358.26 and 5,758.51

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Solution

The fourth proportional to 18,238.72, 27,358.26 and 5,758.51 is: 8,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.72 : 27,358.26 = 5,758.51 : x
  2. Step 2: Convert to fraction form
    18,238.72/27,358.26 = 5,758.51/x
  3. Step 3: Cross multiply
    18,238.72x = 27,358.26 × 5,758.51
  4. Step 4: Simplify right side
    18,238.72x = 157,542,813.79
  5. Step 5: Solve for x
    x = 157,542,813.79/18,238.72
  6. Step 6: Final answer
    x = 8,637.82

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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.