Home / 19,571.76-27,009.02-11,188.44

Finding the Fourth Proportional to 19,571.76, 27,009.02 and 11,188.44

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Solution

The fourth proportional to 19,571.76, 27,009.02 and 11,188.44 is: 15,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.76 : 27,009.02 = 11,188.44 : x
  2. Step 2: Convert to fraction form
    19,571.76/27,009.02 = 11,188.44/x
  3. Step 3: Cross multiply
    19,571.76x = 27,009.02 × 11,188.44
  4. Step 4: Simplify right side
    19,571.76x = 302,188,799.73
  5. Step 5: Solve for x
    x = 302,188,799.73/19,571.76
  6. Step 6: Final answer
    x = 15,440.04

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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.