Home / 16,931.58-25,436.30-11,945.42

Finding the Fourth Proportional to 16,931.58, 25,436.30 and 11,945.42

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Solution

The fourth proportional to 16,931.58, 25,436.30 and 11,945.42 is: 17,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.58 : 25,436.30 = 11,945.42 : x
  2. Step 2: Convert to fraction form
    16,931.58/25,436.30 = 11,945.42/x
  3. Step 3: Cross multiply
    16,931.58x = 25,436.30 × 11,945.42
  4. Step 4: Simplify right side
    16,931.58x = 303,847,195.22
  5. Step 5: Solve for x
    x = 303,847,195.22/16,931.58
  6. Step 6: Final answer
    x = 17,945.59

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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.