Home / 10,183.98-15,271.14-3,946.92

Finding the Fourth Proportional to 10,183.98, 15,271.14 and 3,946.92

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Solution

The fourth proportional to 10,183.98, 15,271.14 and 3,946.92 is: 5,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.98 : 15,271.14 = 3,946.92 : x
  2. Step 2: Convert to fraction form
    10,183.98/15,271.14 = 3,946.92/x
  3. Step 3: Cross multiply
    10,183.98x = 15,271.14 × 3,946.92
  4. Step 4: Simplify right side
    10,183.98x = 60,273,967.89
  5. Step 5: Solve for x
    x = 60,273,967.89/10,183.98
  6. Step 6: Final answer
    x = 5,918.51

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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.