Home / 19,784.85-27,302.58-11,286.33

Finding the Fourth Proportional to 19,784.85, 27,302.58 and 11,286.33

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Solution

The fourth proportional to 19,784.85, 27,302.58 and 11,286.33 is: 15,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.85 : 27,302.58 = 11,286.33 : x
  2. Step 2: Convert to fraction form
    19,784.85/27,302.58 = 11,286.33/x
  3. Step 3: Cross multiply
    19,784.85x = 27,302.58 × 11,286.33
  4. Step 4: Simplify right side
    19,784.85x = 308,145,927.73
  5. Step 5: Solve for x
    x = 308,145,927.73/19,784.85
  6. Step 6: Final answer
    x = 15,574.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.