Home / 12,666.08-18,999.39-4,346.03

Finding the Fourth Proportional to 12,666.08, 18,999.39 and 4,346.03

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Solution

The fourth proportional to 12,666.08, 18,999.39 and 4,346.03 is: 6,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.08 : 18,999.39 = 4,346.03 : x
  2. Step 2: Convert to fraction form
    12,666.08/18,999.39 = 4,346.03/x
  3. Step 3: Cross multiply
    12,666.08x = 18,999.39 × 4,346.03
  4. Step 4: Simplify right side
    12,666.08x = 82,571,918.92
  5. Step 5: Solve for x
    x = 82,571,918.92/12,666.08
  6. Step 6: Final answer
    x = 6,519.14

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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.