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Finding the Fourth Proportional to 17,466.75, 26,200.13 and 7,078.50

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Solution

The fourth proportional to 17,466.75, 26,200.13 and 7,078.50 is: 10,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,466.75 : 26,200.13 = 7,078.50 : x
  2. Step 2: Convert to fraction form
    17,466.75/26,200.13 = 7,078.50/x
  3. Step 3: Cross multiply
    17,466.75x = 26,200.13 × 7,078.50
  4. Step 4: Simplify right side
    17,466.75x = 185,457,584.81
  5. Step 5: Solve for x
    x = 185,457,584.81/17,466.75
  6. Step 6: Final answer
    x = 10,617.75

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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.