Home / 14,037.81-21,055.94-8,489.67

Finding the Fourth Proportional to 14,037.81, 21,055.94 and 8,489.67

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Solution

The fourth proportional to 14,037.81, 21,055.94 and 8,489.67 is: 12,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.81 : 21,055.94 = 8,489.67 : x
  2. Step 2: Convert to fraction form
    14,037.81/21,055.94 = 8,489.67/x
  3. Step 3: Cross multiply
    14,037.81x = 21,055.94 × 8,489.67
  4. Step 4: Simplify right side
    14,037.81x = 178,757,982.14
  5. Step 5: Solve for x
    x = 178,757,982.14/14,037.81
  6. Step 6: Final answer
    x = 12,734.04

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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.