Home / 19,896-27,454.68-10,943.88

Finding the Fourth Proportional to 19,896, 27,454.68 and 10,943.88

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Solution

The fourth proportional to 19,896, 27,454.68 and 10,943.88 is: 15,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896 : 27,454.68 = 10,943.88 : x
  2. Step 2: Convert to fraction form
    19,896/27,454.68 = 10,943.88/x
  3. Step 3: Cross multiply
    19,896x = 27,454.68 × 10,943.88
  4. Step 4: Simplify right side
    19,896x = 300,460,723.36
  5. Step 5: Solve for x
    x = 300,460,723.36/19,896
  6. Step 6: Final answer
    x = 15,101.56

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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.