Home / 14,017.05-21,028.66-4,155.73

Finding the Fourth Proportional to 14,017.05, 21,028.66 and 4,155.73

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Solution

The fourth proportional to 14,017.05, 21,028.66 and 4,155.73 is: 6,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.05 : 21,028.66 = 4,155.73 : x
  2. Step 2: Convert to fraction form
    14,017.05/21,028.66 = 4,155.73/x
  3. Step 3: Cross multiply
    14,017.05x = 21,028.66 × 4,155.73
  4. Step 4: Simplify right side
    14,017.05x = 87,389,370.26
  5. Step 5: Solve for x
    x = 87,389,370.26/14,017.05
  6. Step 6: Final answer
    x = 6,234.51

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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.