Home / 19,641.54-27,103.28-11,682.23

Finding the Fourth Proportional to 19,641.54, 27,103.28 and 11,682.23

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Solution

The fourth proportional to 19,641.54, 27,103.28 and 11,682.23 is: 16,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.54 : 27,103.28 = 11,682.23 : x
  2. Step 2: Convert to fraction form
    19,641.54/27,103.28 = 11,682.23/x
  3. Step 3: Cross multiply
    19,641.54x = 27,103.28 × 11,682.23
  4. Step 4: Simplify right side
    19,641.54x = 316,626,556.79
  5. Step 5: Solve for x
    x = 316,626,556.79/19,641.54
  6. Step 6: Final answer
    x = 16,120.25

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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.