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Finding the Fourth Proportional to 23,326.84, 34,984.36 and 6,687

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Solution

The fourth proportional to 23,326.84, 34,984.36 and 6,687 is: 10,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,326.84 : 34,984.36 = 6,687 : x
  2. Step 2: Convert to fraction form
    23,326.84/34,984.36 = 6,687/x
  3. Step 3: Cross multiply
    23,326.84x = 34,984.36 × 6,687
  4. Step 4: Simplify right side
    23,326.84x = 233,940,415.32
  5. Step 5: Solve for x
    x = 233,940,415.32/23,326.84
  6. Step 6: Final answer
    x = 10,028.81

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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.