Home / 18,438.23-27,643.68-5,951.37

Finding the Fourth Proportional to 18,438.23, 27,643.68 and 5,951.37

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Solution

The fourth proportional to 18,438.23, 27,643.68 and 5,951.37 is: 8,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.23 : 27,643.68 = 5,951.37 : x
  2. Step 2: Convert to fraction form
    18,438.23/27,643.68 = 5,951.37/x
  3. Step 3: Cross multiply
    18,438.23x = 27,643.68 × 5,951.37
  4. Step 4: Simplify right side
    18,438.23x = 164,517,871.51
  5. Step 5: Solve for x
    x = 164,517,871.51/18,438.23
  6. Step 6: Final answer
    x = 8,922.65

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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.