Home / 18,205.56-27,304.47-5,054.40

Finding the Fourth Proportional to 18,205.56, 27,304.47 and 5,054.40

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Solution

The fourth proportional to 18,205.56, 27,304.47 and 5,054.40 is: 7,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.56 : 27,304.47 = 5,054.40 : x
  2. Step 2: Convert to fraction form
    18,205.56/27,304.47 = 5,054.40/x
  3. Step 3: Cross multiply
    18,205.56x = 27,304.47 × 5,054.40
  4. Step 4: Simplify right side
    18,205.56x = 138,007,713.17
  5. Step 5: Solve for x
    x = 138,007,713.17/18,205.56
  6. Step 6: Final answer
    x = 7,580.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.