Home / 18,326.31-27,489.33-6,636.75

Finding the Fourth Proportional to 18,326.31, 27,489.33 and 6,636.75

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Solution

The fourth proportional to 18,326.31, 27,489.33 and 6,636.75 is: 9,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.31 : 27,489.33 = 6,636.75 : x
  2. Step 2: Convert to fraction form
    18,326.31/27,489.33 = 6,636.75/x
  3. Step 3: Cross multiply
    18,326.31x = 27,489.33 × 6,636.75
  4. Step 4: Simplify right side
    18,326.31x = 182,439,810.88
  5. Step 5: Solve for x
    x = 182,439,810.88/18,326.31
  6. Step 6: Final answer
    x = 9,955.08

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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.