Home / 14,765.36-20,375.83-8,051.12

Finding the Fourth Proportional to 14,765.36, 20,375.83 and 8,051.12

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Solution

The fourth proportional to 14,765.36, 20,375.83 and 8,051.12 is: 11,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.36 : 20,375.83 = 8,051.12 : x
  2. Step 2: Convert to fraction form
    14,765.36/20,375.83 = 8,051.12/x
  3. Step 3: Cross multiply
    14,765.36x = 20,375.83 × 8,051.12
  4. Step 4: Simplify right side
    14,765.36x = 164,048,191.74
  5. Step 5: Solve for x
    x = 164,048,191.74/14,765.36
  6. Step 6: Final answer
    x = 11,110.34

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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.