Home / 16,922.40-25,383.60-11,392.80

Finding the Fourth Proportional to 16,922.40, 25,383.60 and 11,392.80

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Solution

The fourth proportional to 16,922.40, 25,383.60 and 11,392.80 is: 17,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.40 : 25,383.60 = 11,392.80 : x
  2. Step 2: Convert to fraction form
    16,922.40/25,383.60 = 11,392.80/x
  3. Step 3: Cross multiply
    16,922.40x = 25,383.60 × 11,392.80
  4. Step 4: Simplify right side
    16,922.40x = 289,190,278.08
  5. Step 5: Solve for x
    x = 289,190,278.08/16,922.40
  6. Step 6: Final answer
    x = 17,089.20

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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.