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Finding the Fourth Proportional to 17,645.84, 26,447.43 and 6,548.84

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Solution

The fourth proportional to 17,645.84, 26,447.43 and 6,548.84 is: 9,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.84 : 26,447.43 = 6,548.84 : x
  2. Step 2: Convert to fraction form
    17,645.84/26,447.43 = 6,548.84/x
  3. Step 3: Cross multiply
    17,645.84x = 26,447.43 × 6,548.84
  4. Step 4: Simplify right side
    17,645.84x = 173,199,987.48
  5. Step 5: Solve for x
    x = 173,199,987.48/17,645.84
  6. Step 6: Final answer
    x = 9,815.34

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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.