Home / 19,782.06-29,683.32-8,696.52

Finding the Fourth Proportional to 19,782.06, 29,683.32 and 8,696.52

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Solution

The fourth proportional to 19,782.06, 29,683.32 and 8,696.52 is: 13,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.06 : 29,683.32 = 8,696.52 : x
  2. Step 2: Convert to fraction form
    19,782.06/29,683.32 = 8,696.52/x
  3. Step 3: Cross multiply
    19,782.06x = 29,683.32 × 8,696.52
  4. Step 4: Simplify right side
    19,782.06x = 258,141,586.05
  5. Step 5: Solve for x
    x = 258,141,586.05/19,782.06
  6. Step 6: Final answer
    x = 13,049.28

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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.