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Finding the Fourth Proportional to 11,751.12, 17,626.17 and 4,729.08

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Solution

The fourth proportional to 11,751.12, 17,626.17 and 4,729.08 is: 7,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.12 : 17,626.17 = 4,729.08 : x
  2. Step 2: Convert to fraction form
    11,751.12/17,626.17 = 4,729.08/x
  3. Step 3: Cross multiply
    11,751.12x = 17,626.17 × 4,729.08
  4. Step 4: Simplify right side
    11,751.12x = 83,355,568.02
  5. Step 5: Solve for x
    x = 83,355,568.02/11,751.12
  6. Step 6: Final answer
    x = 7,093.41

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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.