Home / 11,945.39-17,915.69-11,352.63

Finding the Fourth Proportional to 11,945.39, 17,915.69 and 11,352.63

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Solution

The fourth proportional to 11,945.39, 17,915.69 and 11,352.63 is: 17,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.39 : 17,915.69 = 11,352.63 : x
  2. Step 2: Convert to fraction form
    11,945.39/17,915.69 = 11,352.63/x
  3. Step 3: Cross multiply
    11,945.39x = 17,915.69 × 11,352.63
  4. Step 4: Simplify right side
    11,945.39x = 203,390,143.00
  5. Step 5: Solve for x
    x = 203,390,143.00/11,945.39
  6. Step 6: Final answer
    x = 17,026.67

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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.