Home / 14,179.53-19,572.05-8,212.67

Finding the Fourth Proportional to 14,179.53, 19,572.05 and 8,212.67

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Solution

The fourth proportional to 14,179.53, 19,572.05 and 8,212.67 is: 11,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.53 : 19,572.05 = 8,212.67 : x
  2. Step 2: Convert to fraction form
    14,179.53/19,572.05 = 8,212.67/x
  3. Step 3: Cross multiply
    14,179.53x = 19,572.05 × 8,212.67
  4. Step 4: Simplify right side
    14,179.53x = 160,738,710.54
  5. Step 5: Solve for x
    x = 160,738,710.54/14,179.53
  6. Step 6: Final answer
    x = 11,335.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.