Home / 19,223.48-28,794.69-12,199.79

Finding the Fourth Proportional to 19,223.48, 28,794.69 and 12,199.79

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Solution

The fourth proportional to 19,223.48, 28,794.69 and 12,199.79 is: 18,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.48 : 28,794.69 = 12,199.79 : x
  2. Step 2: Convert to fraction form
    19,223.48/28,794.69 = 12,199.79/x
  3. Step 3: Cross multiply
    19,223.48x = 28,794.69 × 12,199.79
  4. Step 4: Simplify right side
    19,223.48x = 351,289,243.10
  5. Step 5: Solve for x
    x = 351,289,243.10/19,223.48
  6. Step 6: Final answer
    x = 18,273.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.