Home / 19,911.50-27,477.32-10,836.47

Finding the Fourth Proportional to 19,911.50, 27,477.32 and 10,836.47

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Solution

The fourth proportional to 19,911.50, 27,477.32 and 10,836.47 is: 14,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.50 : 27,477.32 = 10,836.47 : x
  2. Step 2: Convert to fraction form
    19,911.50/27,477.32 = 10,836.47/x
  3. Step 3: Cross multiply
    19,911.50x = 27,477.32 × 10,836.47
  4. Step 4: Simplify right side
    19,911.50x = 297,757,183.07
  5. Step 5: Solve for x
    x = 297,757,183.07/19,911.50
  6. Step 6: Final answer
    x = 14,954.03

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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.