Home / 19,955.61-27,537.48-11,003.19

Finding the Fourth Proportional to 19,955.61, 27,537.48 and 11,003.19

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Solution

The fourth proportional to 19,955.61, 27,537.48 and 11,003.19 is: 15,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.61 : 27,537.48 = 11,003.19 : x
  2. Step 2: Convert to fraction form
    19,955.61/27,537.48 = 11,003.19/x
  3. Step 3: Cross multiply
    19,955.61x = 27,537.48 × 11,003.19
  4. Step 4: Simplify right side
    19,955.61x = 303,000,124.56
  5. Step 5: Solve for x
    x = 303,000,124.56/19,955.61
  6. Step 6: Final answer
    x = 15,183.71

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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.