Home / 10,119.49-15,183.93-3,877.42

Finding the Fourth Proportional to 10,119.49, 15,183.93 and 3,877.42

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Solution

The fourth proportional to 10,119.49, 15,183.93 and 3,877.42 is: 5,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.49 : 15,183.93 = 3,877.42 : x
  2. Step 2: Convert to fraction form
    10,119.49/15,183.93 = 3,877.42/x
  3. Step 3: Cross multiply
    10,119.49x = 15,183.93 × 3,877.42
  4. Step 4: Simplify right side
    10,119.49x = 58,874,473.86
  5. Step 5: Solve for x
    x = 58,874,473.86/10,119.49
  6. Step 6: Final answer
    x = 5,817.93

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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.