Home / 13,558.50-20,334.96-4,793.76

Finding the Fourth Proportional to 13,558.50, 20,334.96 and 4,793.76

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Solution

The fourth proportional to 13,558.50, 20,334.96 and 4,793.76 is: 7,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.50 : 20,334.96 = 4,793.76 : x
  2. Step 2: Convert to fraction form
    13,558.50/20,334.96 = 4,793.76/x
  3. Step 3: Cross multiply
    13,558.50x = 20,334.96 × 4,793.76
  4. Step 4: Simplify right side
    13,558.50x = 97,480,917.85
  5. Step 5: Solve for x
    x = 97,480,917.85/13,558.50
  6. Step 6: Final answer
    x = 7,189.65

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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.