Home / 19,643.42-27,105.71-11,576.55

Finding the Fourth Proportional to 19,643.42, 27,105.71 and 11,576.55

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Solution

The fourth proportional to 19,643.42, 27,105.71 and 11,576.55 is: 15,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.42 : 27,105.71 = 11,576.55 : x
  2. Step 2: Convert to fraction form
    19,643.42/27,105.71 = 11,576.55/x
  3. Step 3: Cross multiply
    19,643.42x = 27,105.71 × 11,576.55
  4. Step 4: Simplify right side
    19,643.42x = 313,790,549.22
  5. Step 5: Solve for x
    x = 313,790,549.22/19,643.42
  6. Step 6: Final answer
    x = 15,974.34

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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.