Home / 19,185.72-28,782.23-6,709.29

Finding the Fourth Proportional to 19,185.72, 28,782.23 and 6,709.29

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Solution

The fourth proportional to 19,185.72, 28,782.23 and 6,709.29 is: 10,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.72 : 28,782.23 = 6,709.29 : x
  2. Step 2: Convert to fraction form
    19,185.72/28,782.23 = 6,709.29/x
  3. Step 3: Cross multiply
    19,185.72x = 28,782.23 × 6,709.29
  4. Step 4: Simplify right side
    19,185.72x = 193,108,294.37
  5. Step 5: Solve for x
    x = 193,108,294.37/19,185.72
  6. Step 6: Final answer
    x = 10,065.21

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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.