Home / 14,015.98-21,028.02-4,155.48

Finding the Fourth Proportional to 14,015.98, 21,028.02 and 4,155.48

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Solution

The fourth proportional to 14,015.98, 21,028.02 and 4,155.48 is: 6,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.98 : 21,028.02 = 4,155.48 : x
  2. Step 2: Convert to fraction form
    14,015.98/21,028.02 = 4,155.48/x
  3. Step 3: Cross multiply
    14,015.98x = 21,028.02 × 4,155.48
  4. Step 4: Simplify right side
    14,015.98x = 87,381,516.55
  5. Step 5: Solve for x
    x = 87,381,516.55/14,015.98
  6. Step 6: Final answer
    x = 6,234.42

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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.