Home / 10,749.92-16,129.50-5,559.44

Finding the Fourth Proportional to 10,749.92, 16,129.50 and 5,559.44

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Solution

The fourth proportional to 10,749.92, 16,129.50 and 5,559.44 is: 8,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.92 : 16,129.50 = 5,559.44 : x
  2. Step 2: Convert to fraction form
    10,749.92/16,129.50 = 5,559.44/x
  3. Step 3: Cross multiply
    10,749.92x = 16,129.50 × 5,559.44
  4. Step 4: Simplify right side
    10,749.92x = 89,670,879.04
  5. Step 5: Solve for x
    x = 89,670,879.04/10,749.92
  6. Step 6: Final answer
    x = 8,341.54

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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.