Home / 19,384.80-26,747.79-11,425.95

Finding the Fourth Proportional to 19,384.80, 26,747.79 and 11,425.95

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Solution

The fourth proportional to 19,384.80, 26,747.79 and 11,425.95 is: 15,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.80 : 26,747.79 = 11,425.95 : x
  2. Step 2: Convert to fraction form
    19,384.80/26,747.79 = 11,425.95/x
  3. Step 3: Cross multiply
    19,384.80x = 26,747.79 × 11,425.95
  4. Step 4: Simplify right side
    19,384.80x = 305,618,911.15
  5. Step 5: Solve for x
    x = 305,618,911.15/19,384.80
  6. Step 6: Final answer
    x = 15,765.90

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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.