Home / 18,283.56-27,423.21-5,137.05

Finding the Fourth Proportional to 18,283.56, 27,423.21 and 5,137.05

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Solution

The fourth proportional to 18,283.56, 27,423.21 and 5,137.05 is: 7,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.56 : 27,423.21 = 5,137.05 : x
  2. Step 2: Convert to fraction form
    18,283.56/27,423.21 = 5,137.05/x
  3. Step 3: Cross multiply
    18,283.56x = 27,423.21 × 5,137.05
  4. Step 4: Simplify right side
    18,283.56x = 140,874,400.93
  5. Step 5: Solve for x
    x = 140,874,400.93/18,283.56
  6. Step 6: Final answer
    x = 7,704.98

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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.