Home / 19,900.90-27,463.26-10,949.32

Finding the Fourth Proportional to 19,900.90, 27,463.26 and 10,949.32

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Solution

The fourth proportional to 19,900.90, 27,463.26 and 10,949.32 is: 15,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.90 : 27,463.26 = 10,949.32 : x
  2. Step 2: Convert to fraction form
    19,900.90/27,463.26 = 10,949.32/x
  3. Step 3: Cross multiply
    19,900.90x = 27,463.26 × 10,949.32
  4. Step 4: Simplify right side
    19,900.90x = 300,704,021.98
  5. Step 5: Solve for x
    x = 300,704,021.98/19,900.90
  6. Step 6: Final answer
    x = 15,110.07

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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.