Home / 14,410.08-21,620.88-7,828.56

Finding the Fourth Proportional to 14,410.08, 21,620.88 and 7,828.56

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Solution

The fourth proportional to 14,410.08, 21,620.88 and 7,828.56 is: 11,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.08 : 21,620.88 = 7,828.56 : x
  2. Step 2: Convert to fraction form
    14,410.08/21,620.88 = 7,828.56/x
  3. Step 3: Cross multiply
    14,410.08x = 21,620.88 × 7,828.56
  4. Step 4: Simplify right side
    14,410.08x = 169,260,356.33
  5. Step 5: Solve for x
    x = 169,260,356.33/14,410.08
  6. Step 6: Final answer
    x = 11,745.97

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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.