Home / 19,740.37-27,243.33-11,245.16

Finding the Fourth Proportional to 19,740.37, 27,243.33 and 11,245.16

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Solution

The fourth proportional to 19,740.37, 27,243.33 and 11,245.16 is: 15,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.37 : 27,243.33 = 11,245.16 : x
  2. Step 2: Convert to fraction form
    19,740.37/27,243.33 = 11,245.16/x
  3. Step 3: Cross multiply
    19,740.37x = 27,243.33 × 11,245.16
  4. Step 4: Simplify right side
    19,740.37x = 306,355,468.57
  5. Step 5: Solve for x
    x = 306,355,468.57/19,740.37
  6. Step 6: Final answer
    x = 15,519.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.