Home / 16,916.24-25,403.40-10,380.80

Finding the Fourth Proportional to 16,916.24, 25,403.40 and 10,380.80

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Solution

The fourth proportional to 16,916.24, 25,403.40 and 10,380.80 is: 15,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.24 : 25,403.40 = 10,380.80 : x
  2. Step 2: Convert to fraction form
    16,916.24/25,403.40 = 10,380.80/x
  3. Step 3: Cross multiply
    16,916.24x = 25,403.40 × 10,380.80
  4. Step 4: Simplify right side
    16,916.24x = 263,707,614.72
  5. Step 5: Solve for x
    x = 263,707,614.72/16,916.24
  6. Step 6: Final answer
    x = 15,589.02

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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.