Home / 14,021.66-21,028.90-4,158.63

Finding the Fourth Proportional to 14,021.66, 21,028.90 and 4,158.63

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Solution

The fourth proportional to 14,021.66, 21,028.90 and 4,158.63 is: 6,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.66 : 21,028.90 = 4,158.63 : x
  2. Step 2: Convert to fraction form
    14,021.66/21,028.90 = 4,158.63/x
  3. Step 3: Cross multiply
    14,021.66x = 21,028.90 × 4,158.63
  4. Step 4: Simplify right side
    14,021.66x = 87,451,414.41
  5. Step 5: Solve for x
    x = 87,451,414.41/14,021.66
  6. Step 6: Final answer
    x = 6,236.88

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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.