Home / 19,733.78-27,232.61-11,235.47

Finding the Fourth Proportional to 19,733.78, 27,232.61 and 11,235.47

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Solution

The fourth proportional to 19,733.78, 27,232.61 and 11,235.47 is: 15,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.78 : 27,232.61 = 11,235.47 : x
  2. Step 2: Convert to fraction form
    19,733.78/27,232.61 = 11,235.47/x
  3. Step 3: Cross multiply
    19,733.78x = 27,232.61 × 11,235.47
  4. Step 4: Simplify right side
    19,733.78x = 305,970,980.34
  5. Step 5: Solve for x
    x = 305,970,980.34/19,733.78
  6. Step 6: Final answer
    x = 15,504.93

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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.