Home / 19,738.15-27,240.20-11,240.63

Finding the Fourth Proportional to 19,738.15, 27,240.20 and 11,240.63

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Solution

The fourth proportional to 19,738.15, 27,240.20 and 11,240.63 is: 15,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.15 : 27,240.20 = 11,240.63 : x
  2. Step 2: Convert to fraction form
    19,738.15/27,240.20 = 11,240.63/x
  3. Step 3: Cross multiply
    19,738.15x = 27,240.20 × 11,240.63
  4. Step 4: Simplify right side
    19,738.15x = 306,197,177.68
  5. Step 5: Solve for x
    x = 306,197,177.68/19,738.15
  6. Step 6: Final answer
    x = 15,512.96

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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.