Home / 14,912.15-20,579.31-8,942.67

Finding the Fourth Proportional to 14,912.15, 20,579.31 and 8,942.67

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Solution

The fourth proportional to 14,912.15, 20,579.31 and 8,942.67 is: 12,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.15 : 20,579.31 = 8,942.67 : x
  2. Step 2: Convert to fraction form
    14,912.15/20,579.31 = 8,942.67/x
  3. Step 3: Cross multiply
    14,912.15x = 20,579.31 × 8,942.67
  4. Step 4: Simplify right side
    14,912.15x = 184,033,978.16
  5. Step 5: Solve for x
    x = 184,033,978.16/14,912.15
  6. Step 6: Final answer
    x = 12,341.21

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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.