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Finding the Fourth Proportional to 17,749.47, 26,597.91 and 7,206.67

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Solution

The fourth proportional to 17,749.47, 26,597.91 and 7,206.67 is: 10,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,749.47 : 26,597.91 = 7,206.67 : x
  2. Step 2: Convert to fraction form
    17,749.47/26,597.91 = 7,206.67/x
  3. Step 3: Cross multiply
    17,749.47x = 26,597.91 × 7,206.67
  4. Step 4: Simplify right side
    17,749.47x = 191,682,360.06
  5. Step 5: Solve for x
    x = 191,682,360.06/17,749.47
  6. Step 6: Final answer
    x = 10,799.33

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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.