Home / 12,179.19-18,267.26-5,162.03

Finding the Fourth Proportional to 12,179.19, 18,267.26 and 5,162.03

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Solution

The fourth proportional to 12,179.19, 18,267.26 and 5,162.03 is: 7,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.19 : 18,267.26 = 5,162.03 : x
  2. Step 2: Convert to fraction form
    12,179.19/18,267.26 = 5,162.03/x
  3. Step 3: Cross multiply
    12,179.19x = 18,267.26 × 5,162.03
  4. Step 4: Simplify right side
    12,179.19x = 94,296,095.49
  5. Step 5: Solve for x
    x = 94,296,095.49/12,179.19
  6. Step 6: Final answer
    x = 7,742.39

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1.5x scale

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.