Home / 15,782.53-23,667.62-5,916.43

Finding the Fourth Proportional to 15,782.53, 23,667.62 and 5,916.43

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Solution

The fourth proportional to 15,782.53, 23,667.62 and 5,916.43 is: 8,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.53 : 23,667.62 = 5,916.43 : x
  2. Step 2: Convert to fraction form
    15,782.53/23,667.62 = 5,916.43/x
  3. Step 3: Cross multiply
    15,782.53x = 23,667.62 × 5,916.43
  4. Step 4: Simplify right side
    15,782.53x = 140,027,728.25
  5. Step 5: Solve for x
    x = 140,027,728.25/15,782.53
  6. Step 6: Final answer
    x = 8,872.33

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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.