Home / 14,820.35-20,451.32-8,104.67

Finding the Fourth Proportional to 14,820.35, 20,451.32 and 8,104.67

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Solution

The fourth proportional to 14,820.35, 20,451.32 and 8,104.67 is: 11,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.35 : 20,451.32 = 8,104.67 : x
  2. Step 2: Convert to fraction form
    14,820.35/20,451.32 = 8,104.67/x
  3. Step 3: Cross multiply
    14,820.35x = 20,451.32 × 8,104.67
  4. Step 4: Simplify right side
    14,820.35x = 165,751,199.66
  5. Step 5: Solve for x
    x = 165,751,199.66/14,820.35
  6. Step 6: Final answer
    x = 11,184.03

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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.