Home / 19,219.75-28,828.10-6,072.23

Finding the Fourth Proportional to 19,219.75, 28,828.10 and 6,072.23

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Solution

The fourth proportional to 19,219.75, 28,828.10 and 6,072.23 is: 9,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.75 : 28,828.10 = 6,072.23 : x
  2. Step 2: Convert to fraction form
    19,219.75/28,828.10 = 6,072.23/x
  3. Step 3: Cross multiply
    19,219.75x = 28,828.10 × 6,072.23
  4. Step 4: Simplify right side
    19,219.75x = 175,050,940.91
  5. Step 5: Solve for x
    x = 175,050,940.91/19,219.75
  6. Step 6: Final answer
    x = 9,107.87

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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.