Home / 14,021.56-21,029.10-4,158.52

Finding the Fourth Proportional to 14,021.56, 21,029.10 and 4,158.52

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Solution

The fourth proportional to 14,021.56, 21,029.10 and 4,158.52 is: 6,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.56 : 21,029.10 = 4,158.52 : x
  2. Step 2: Convert to fraction form
    14,021.56/21,029.10 = 4,158.52/x
  3. Step 3: Cross multiply
    14,021.56x = 21,029.10 × 4,158.52
  4. Step 4: Simplify right side
    14,021.56x = 87,449,932.93
  5. Step 5: Solve for x
    x = 87,449,932.93/14,021.56
  6. Step 6: Final answer
    x = 6,236.82

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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.