Home / 12,162.22-18,243.35-6,964.45

Finding the Fourth Proportional to 12,162.22, 18,243.35 and 6,964.45

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Solution

The fourth proportional to 12,162.22, 18,243.35 and 6,964.45 is: 10,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.22 : 18,243.35 = 6,964.45 : x
  2. Step 2: Convert to fraction form
    12,162.22/18,243.35 = 6,964.45/x
  3. Step 3: Cross multiply
    12,162.22x = 18,243.35 × 6,964.45
  4. Step 4: Simplify right side
    12,162.22x = 127,054,898.91
  5. Step 5: Solve for x
    x = 127,054,898.91/12,162.22
  6. Step 6: Final answer
    x = 10,446.69

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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.