Home / 18,134.31-27,185.04-6,444.78

Finding the Fourth Proportional to 18,134.31, 27,185.04 and 6,444.78

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Solution

The fourth proportional to 18,134.31, 27,185.04 and 6,444.78 is: 9,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.31 : 27,185.04 = 6,444.78 : x
  2. Step 2: Convert to fraction form
    18,134.31/27,185.04 = 6,444.78/x
  3. Step 3: Cross multiply
    18,134.31x = 27,185.04 × 6,444.78
  4. Step 4: Simplify right side
    18,134.31x = 175,201,602.09
  5. Step 5: Solve for x
    x = 175,201,602.09/18,134.31
  6. Step 6: Final answer
    x = 9,661.33

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1.5x scale

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.