Home / 12,212.14-18,303.13-6,951.50

Finding the Fourth Proportional to 12,212.14, 18,303.13 and 6,951.50

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Solution

The fourth proportional to 12,212.14, 18,303.13 and 6,951.50 is: 10,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.14 : 18,303.13 = 6,951.50 : x
  2. Step 2: Convert to fraction form
    12,212.14/18,303.13 = 6,951.50/x
  3. Step 3: Cross multiply
    12,212.14x = 18,303.13 × 6,951.50
  4. Step 4: Simplify right side
    12,212.14x = 127,234,208.20
  5. Step 5: Solve for x
    x = 127,234,208.20/12,212.14
  6. Step 6: Final answer
    x = 10,418.67

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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.