Home / 14,427.89-21,643.11-4,039.67

Finding the Fourth Proportional to 14,427.89, 21,643.11 and 4,039.67

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Solution

The fourth proportional to 14,427.89, 21,643.11 and 4,039.67 is: 6,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.89 : 21,643.11 = 4,039.67 : x
  2. Step 2: Convert to fraction form
    14,427.89/21,643.11 = 4,039.67/x
  3. Step 3: Cross multiply
    14,427.89x = 21,643.11 × 4,039.67
  4. Step 4: Simplify right side
    14,427.89x = 87,431,022.17
  5. Step 5: Solve for x
    x = 87,431,022.17/14,427.89
  6. Step 6: Final answer
    x = 6,059.86

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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.