Home / 10,123.03-15,183.45-2,728.23

Finding the Fourth Proportional to 10,123.03, 15,183.45 and 2,728.23

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Solution

The fourth proportional to 10,123.03, 15,183.45 and 2,728.23 is: 4,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.03 : 15,183.45 = 2,728.23 : x
  2. Step 2: Convert to fraction form
    10,123.03/15,183.45 = 2,728.23/x
  3. Step 3: Cross multiply
    10,123.03x = 15,183.45 × 2,728.23
  4. Step 4: Simplify right side
    10,123.03x = 41,423,972.26
  5. Step 5: Solve for x
    x = 41,423,972.26/10,123.03
  6. Step 6: Final answer
    x = 4,092.05

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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.