Home / 19,321.09-28,962.03-10,983.88

Finding the Fourth Proportional to 19,321.09, 28,962.03 and 10,983.88

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Solution

The fourth proportional to 19,321.09, 28,962.03 and 10,983.88 is: 16,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.09 : 28,962.03 = 10,983.88 : x
  2. Step 2: Convert to fraction form
    19,321.09/28,962.03 = 10,983.88/x
  3. Step 3: Cross multiply
    19,321.09x = 28,962.03 × 10,983.88
  4. Step 4: Simplify right side
    19,321.09x = 318,115,462.08
  5. Step 5: Solve for x
    x = 318,115,462.08/19,321.09
  6. Step 6: Final answer
    x = 16,464.67

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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.