Home / 14,221.99-21,331.23-6,324.67

Finding the Fourth Proportional to 14,221.99, 21,331.23 and 6,324.67

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Solution

The fourth proportional to 14,221.99, 21,331.23 and 6,324.67 is: 9,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.99 : 21,331.23 = 6,324.67 : x
  2. Step 2: Convert to fraction form
    14,221.99/21,331.23 = 6,324.67/x
  3. Step 3: Cross multiply
    14,221.99x = 21,331.23 × 6,324.67
  4. Step 4: Simplify right side
    14,221.99x = 134,912,990.44
  5. Step 5: Solve for x
    x = 134,912,990.44/14,221.99
  6. Step 6: Final answer
    x = 9,486.22

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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.