Home / 19,955.33-27,538.53-11,003.15

Finding the Fourth Proportional to 19,955.33, 27,538.53 and 11,003.15

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Solution

The fourth proportional to 19,955.33, 27,538.53 and 11,003.15 is: 15,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.33 : 27,538.53 = 11,003.15 : x
  2. Step 2: Convert to fraction form
    19,955.33/27,538.53 = 11,003.15/x
  3. Step 3: Cross multiply
    19,955.33x = 27,538.53 × 11,003.15
  4. Step 4: Simplify right side
    19,955.33x = 303,010,438.68
  5. Step 5: Solve for x
    x = 303,010,438.68/19,955.33
  6. Step 6: Final answer
    x = 15,184.44

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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.