Home / 19,963.89-27,550.34-11,011.70

Finding the Fourth Proportional to 19,963.89, 27,550.34 and 11,011.70

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Solution

The fourth proportional to 19,963.89, 27,550.34 and 11,011.70 is: 15,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.89 : 27,550.34 = 11,011.70 : x
  2. Step 2: Convert to fraction form
    19,963.89/27,550.34 = 11,011.70/x
  3. Step 3: Cross multiply
    19,963.89x = 27,550.34 × 11,011.70
  4. Step 4: Simplify right side
    19,963.89x = 303,376,078.98
  5. Step 5: Solve for x
    x = 303,376,078.98/19,963.89
  6. Step 6: Final answer
    x = 15,196.24

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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.