Home / 14,009.82-21,008.44-4,145.64

Finding the Fourth Proportional to 14,009.82, 21,008.44 and 4,145.64

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Solution

The fourth proportional to 14,009.82, 21,008.44 and 4,145.64 is: 6,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.82 : 21,008.44 = 4,145.64 : x
  2. Step 2: Convert to fraction form
    14,009.82/21,008.44 = 4,145.64/x
  3. Step 3: Cross multiply
    14,009.82x = 21,008.44 × 4,145.64
  4. Step 4: Simplify right side
    14,009.82x = 87,093,429.20
  5. Step 5: Solve for x
    x = 87,093,429.20/14,009.82
  6. Step 6: Final answer
    x = 6,216.60

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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.