Home / 14,028.08-21,043.24-8,185.28

Finding the Fourth Proportional to 14,028.08, 21,043.24 and 8,185.28

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Solution

The fourth proportional to 14,028.08, 21,043.24 and 8,185.28 is: 12,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.08 : 21,043.24 = 8,185.28 : x
  2. Step 2: Convert to fraction form
    14,028.08/21,043.24 = 8,185.28/x
  3. Step 3: Cross multiply
    14,028.08x = 21,043.24 × 8,185.28
  4. Step 4: Simplify right side
    14,028.08x = 172,244,811.51
  5. Step 5: Solve for x
    x = 172,244,811.51/14,028.08
  6. Step 6: Final answer
    x = 12,278.57

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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.