Home / 18,185.22-27,274.80-5,038.92

Finding the Fourth Proportional to 18,185.22, 27,274.80 and 5,038.92

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Solution

The fourth proportional to 18,185.22, 27,274.80 and 5,038.92 is: 7,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.22 : 27,274.80 = 5,038.92 : x
  2. Step 2: Convert to fraction form
    18,185.22/27,274.80 = 5,038.92/x
  3. Step 3: Cross multiply
    18,185.22x = 27,274.80 × 5,038.92
  4. Step 4: Simplify right side
    18,185.22x = 137,435,535.22
  5. Step 5: Solve for x
    x = 137,435,535.22/18,185.22
  6. Step 6: Final answer
    x = 7,557.54

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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.