Home / 19,955.52-27,538.82-11,003.34

Finding the Fourth Proportional to 19,955.52, 27,538.82 and 11,003.34

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Solution

The fourth proportional to 19,955.52, 27,538.82 and 11,003.34 is: 15,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.52 : 27,538.82 = 11,003.34 : x
  2. Step 2: Convert to fraction form
    19,955.52/27,538.82 = 11,003.34/x
  3. Step 3: Cross multiply
    19,955.52x = 27,538.82 × 11,003.34
  4. Step 4: Simplify right side
    19,955.52x = 303,018,999.66
  5. Step 5: Solve for x
    x = 303,018,999.66/19,955.52
  6. Step 6: Final answer
    x = 15,184.72

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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.