Home / 14,051.22-21,077.92-5,285.94

Finding the Fourth Proportional to 14,051.22, 21,077.92 and 5,285.94

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Solution

The fourth proportional to 14,051.22, 21,077.92 and 5,285.94 is: 7,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.22 : 21,077.92 = 5,285.94 : x
  2. Step 2: Convert to fraction form
    14,051.22/21,077.92 = 5,285.94/x
  3. Step 3: Cross multiply
    14,051.22x = 21,077.92 × 5,285.94
  4. Step 4: Simplify right side
    14,051.22x = 111,416,620.44
  5. Step 5: Solve for x
    x = 111,416,620.44/14,051.22
  6. Step 6: Final answer
    x = 7,929.32

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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.