Home / 14,208.30-21,317.16-6,309.72

Finding the Fourth Proportional to 14,208.30, 21,317.16 and 6,309.72

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Solution

The fourth proportional to 14,208.30, 21,317.16 and 6,309.72 is: 9,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.30 : 21,317.16 = 6,309.72 : x
  2. Step 2: Convert to fraction form
    14,208.30/21,317.16 = 6,309.72/x
  3. Step 3: Cross multiply
    14,208.30x = 21,317.16 × 6,309.72
  4. Step 4: Simplify right side
    14,208.30x = 134,505,310.80
  5. Step 5: Solve for x
    x = 134,505,310.80/14,208.30
  6. Step 6: Final answer
    x = 9,466.67

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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.