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Finding the Fourth Proportional to 17,657.34, 26,486.01 and 6,563.79

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Solution

The fourth proportional to 17,657.34, 26,486.01 and 6,563.79 is: 9,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.34 : 26,486.01 = 6,563.79 : x
  2. Step 2: Convert to fraction form
    17,657.34/26,486.01 = 6,563.79/x
  3. Step 3: Cross multiply
    17,657.34x = 26,486.01 × 6,563.79
  4. Step 4: Simplify right side
    17,657.34x = 173,848,607.58
  5. Step 5: Solve for x
    x = 173,848,607.58/17,657.34
  6. Step 6: Final answer
    x = 9,845.69

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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.