Home / 18,147.95-27,222.93-5,669.70

Finding the Fourth Proportional to 18,147.95, 27,222.93 and 5,669.70

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Solution

The fourth proportional to 18,147.95, 27,222.93 and 5,669.70 is: 8,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.95 : 27,222.93 = 5,669.70 : x
  2. Step 2: Convert to fraction form
    18,147.95/27,222.93 = 5,669.70/x
  3. Step 3: Cross multiply
    18,147.95x = 27,222.93 × 5,669.70
  4. Step 4: Simplify right side
    18,147.95x = 154,345,846.22
  5. Step 5: Solve for x
    x = 154,345,846.22/18,147.95
  6. Step 6: Final answer
    x = 8,504.87

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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.