Home / 18,788.37-28,183.39-10,462.13

Finding the Fourth Proportional to 18,788.37, 28,183.39 and 10,462.13

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Solution

The fourth proportional to 18,788.37, 28,183.39 and 10,462.13 is: 15,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.37 : 28,183.39 = 10,462.13 : x
  2. Step 2: Convert to fraction form
    18,788.37/28,183.39 = 10,462.13/x
  3. Step 3: Cross multiply
    18,788.37x = 28,183.39 × 10,462.13
  4. Step 4: Simplify right side
    18,788.37x = 294,858,287.49
  5. Step 5: Solve for x
    x = 294,858,287.49/18,788.37
  6. Step 6: Final answer
    x = 15,693.66

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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.