Home / 16,916.87-25,375.32-10,686.35

Finding the Fourth Proportional to 16,916.87, 25,375.32 and 10,686.35

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Solution

The fourth proportional to 16,916.87, 25,375.32 and 10,686.35 is: 16,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.87 : 25,375.32 = 10,686.35 : x
  2. Step 2: Convert to fraction form
    16,916.87/25,375.32 = 10,686.35/x
  3. Step 3: Cross multiply
    16,916.87x = 25,375.32 × 10,686.35
  4. Step 4: Simplify right side
    16,916.87x = 271,169,614.32
  5. Step 5: Solve for x
    x = 271,169,614.32/16,916.87
  6. Step 6: Final answer
    x = 16,029.54

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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.