Home / 19,571.63-27,010.67-11,188.13

Finding the Fourth Proportional to 19,571.63, 27,010.67 and 11,188.13

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Solution

The fourth proportional to 19,571.63, 27,010.67 and 11,188.13 is: 15,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.63 : 27,010.67 = 11,188.13 : x
  2. Step 2: Convert to fraction form
    19,571.63/27,010.67 = 11,188.13/x
  3. Step 3: Cross multiply
    19,571.63x = 27,010.67 × 11,188.13
  4. Step 4: Simplify right side
    19,571.63x = 302,198,696.35
  5. Step 5: Solve for x
    x = 302,198,696.35/19,571.63
  6. Step 6: Final answer
    x = 15,440.65

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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.