Home / 18,729.02-28,093.43-7,635.67

Finding the Fourth Proportional to 18,729.02, 28,093.43 and 7,635.67

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Solution

The fourth proportional to 18,729.02, 28,093.43 and 7,635.67 is: 11,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.02 : 28,093.43 = 7,635.67 : x
  2. Step 2: Convert to fraction form
    18,729.02/28,093.43 = 7,635.67/x
  3. Step 3: Cross multiply
    18,729.02x = 28,093.43 × 7,635.67
  4. Step 4: Simplify right side
    18,729.02x = 214,512,109.50
  5. Step 5: Solve for x
    x = 214,512,109.50/18,729.02
  6. Step 6: Final answer
    x = 11,453.46

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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.