Home / 14,738.25-20,338.79-8,114.25

Finding the Fourth Proportional to 14,738.25, 20,338.79 and 8,114.25

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Solution

The fourth proportional to 14,738.25, 20,338.79 and 8,114.25 is: 11,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.25 : 20,338.79 = 8,114.25 : x
  2. Step 2: Convert to fraction form
    14,738.25/20,338.79 = 8,114.25/x
  3. Step 3: Cross multiply
    14,738.25x = 20,338.79 × 8,114.25
  4. Step 4: Simplify right side
    14,738.25x = 165,034,026.76
  5. Step 5: Solve for x
    x = 165,034,026.76/14,738.25
  6. Step 6: Final answer
    x = 11,197.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.