Home / 14,016.22-21,028.39-4,155.74

Finding the Fourth Proportional to 14,016.22, 21,028.39 and 4,155.74

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Solution

The fourth proportional to 14,016.22, 21,028.39 and 4,155.74 is: 6,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.22 : 21,028.39 = 4,155.74 : x
  2. Step 2: Convert to fraction form
    14,016.22/21,028.39 = 4,155.74/x
  3. Step 3: Cross multiply
    14,016.22x = 21,028.39 × 4,155.74
  4. Step 4: Simplify right side
    14,016.22x = 87,388,421.51
  5. Step 5: Solve for x
    x = 87,388,421.51/14,016.22
  6. Step 6: Final answer
    x = 6,234.81

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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.