Home / 16,893.68-25,358.34-13,809.20

Finding the Fourth Proportional to 16,893.68, 25,358.34 and 13,809.20

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Solution

The fourth proportional to 16,893.68, 25,358.34 and 13,809.20 is: 20,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.68 : 25,358.34 = 13,809.20 : x
  2. Step 2: Convert to fraction form
    16,893.68/25,358.34 = 13,809.20/x
  3. Step 3: Cross multiply
    16,893.68x = 25,358.34 × 13,809.20
  4. Step 4: Simplify right side
    16,893.68x = 350,178,388.73
  5. Step 5: Solve for x
    x = 350,178,388.73/16,893.68
  6. Step 6: Final answer
    x = 20,728.37

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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.