Home / 19,723-27,217.88-11,339.56

Finding the Fourth Proportional to 19,723, 27,217.88 and 11,339.56

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Solution

The fourth proportional to 19,723, 27,217.88 and 11,339.56 is: 15,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723 : 27,217.88 = 11,339.56 : x
  2. Step 2: Convert to fraction form
    19,723/27,217.88 = 11,339.56/x
  3. Step 3: Cross multiply
    19,723x = 27,217.88 × 11,339.56
  4. Step 4: Simplify right side
    19,723x = 308,638,783.33
  5. Step 5: Solve for x
    x = 308,638,783.33/19,723
  6. Step 6: Final answer
    x = 15,648.67

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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.