Home / 19,729.15-27,225.54-11,230.63

Finding the Fourth Proportional to 19,729.15, 27,225.54 and 11,230.63

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Solution

The fourth proportional to 19,729.15, 27,225.54 and 11,230.63 is: 15,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.15 : 27,225.54 = 11,230.63 : x
  2. Step 2: Convert to fraction form
    19,729.15/27,225.54 = 11,230.63/x
  3. Step 3: Cross multiply
    19,729.15x = 27,225.54 × 11,230.63
  4. Step 4: Simplify right side
    19,729.15x = 305,760,034.35
  5. Step 5: Solve for x
    x = 305,760,034.35/19,729.15
  6. Step 6: Final answer
    x = 15,497.88

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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.