Home / 19,123.21-28,696.05-8,029.05

Finding the Fourth Proportional to 19,123.21, 28,696.05 and 8,029.05

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Solution

The fourth proportional to 19,123.21, 28,696.05 and 8,029.05 is: 12,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.21 : 28,696.05 = 8,029.05 : x
  2. Step 2: Convert to fraction form
    19,123.21/28,696.05 = 8,029.05/x
  3. Step 3: Cross multiply
    19,123.21x = 28,696.05 × 8,029.05
  4. Step 4: Simplify right side
    19,123.21x = 230,401,942.75
  5. Step 5: Solve for x
    x = 230,401,942.75/19,123.21
  6. Step 6: Final answer
    x = 12,048.29

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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.