Home / 19,440.06-26,831.07-11,481.90

Finding the Fourth Proportional to 19,440.06, 26,831.07 and 11,481.90

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Solution

The fourth proportional to 19,440.06, 26,831.07 and 11,481.90 is: 15,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.06 : 26,831.07 = 11,481.90 : x
  2. Step 2: Convert to fraction form
    19,440.06/26,831.07 = 11,481.90/x
  3. Step 3: Cross multiply
    19,440.06x = 26,831.07 × 11,481.90
  4. Step 4: Simplify right side
    19,440.06x = 308,071,662.63
  5. Step 5: Solve for x
    x = 308,071,662.63/19,440.06
  6. Step 6: Final answer
    x = 15,847.26

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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.