Home / 10,183.78-15,274.32-4,631.14

Finding the Fourth Proportional to 10,183.78, 15,274.32 and 4,631.14

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Solution

The fourth proportional to 10,183.78, 15,274.32 and 4,631.14 is: 6,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.78 : 15,274.32 = 4,631.14 : x
  2. Step 2: Convert to fraction form
    10,183.78/15,274.32 = 4,631.14/x
  3. Step 3: Cross multiply
    10,183.78x = 15,274.32 × 4,631.14
  4. Step 4: Simplify right side
    10,183.78x = 70,737,514.32
  5. Step 5: Solve for x
    x = 70,737,514.32/10,183.78
  6. Step 6: Final answer
    x = 6,946.10

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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.