Home / 19,713.50-27,205.74-11,330.54

Finding the Fourth Proportional to 19,713.50, 27,205.74 and 11,330.54

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Solution

The fourth proportional to 19,713.50, 27,205.74 and 11,330.54 is: 15,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.50 : 27,205.74 = 11,330.54 : x
  2. Step 2: Convert to fraction form
    19,713.50/27,205.74 = 11,330.54/x
  3. Step 3: Cross multiply
    19,713.50x = 27,205.74 × 11,330.54
  4. Step 4: Simplify right side
    19,713.50x = 308,255,725.30
  5. Step 5: Solve for x
    x = 308,255,725.30/19,713.50
  6. Step 6: Final answer
    x = 15,636.78

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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.