Home / 18,283.89-27,425.73-5,136.18

Finding the Fourth Proportional to 18,283.89, 27,425.73 and 5,136.18

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Solution

The fourth proportional to 18,283.89, 27,425.73 and 5,136.18 is: 7,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.89 : 27,425.73 = 5,136.18 : x
  2. Step 2: Convert to fraction form
    18,283.89/27,425.73 = 5,136.18/x
  3. Step 3: Cross multiply
    18,283.89x = 27,425.73 × 5,136.18
  4. Step 4: Simplify right side
    18,283.89x = 140,863,485.91
  5. Step 5: Solve for x
    x = 140,863,485.91/18,283.89
  6. Step 6: Final answer
    x = 7,704.24

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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.