Home / 11,183.99-15,432.90-6,148.16

Finding the Fourth Proportional to 11,183.99, 15,432.90 and 6,148.16

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Solution

The fourth proportional to 11,183.99, 15,432.90 and 6,148.16 is: 8,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.99 : 15,432.90 = 6,148.16 : x
  2. Step 2: Convert to fraction form
    11,183.99/15,432.90 = 6,148.16/x
  3. Step 3: Cross multiply
    11,183.99x = 15,432.90 × 6,148.16
  4. Step 4: Simplify right side
    11,183.99x = 94,883,861.30
  5. Step 5: Solve for x
    x = 94,883,861.30/11,183.99
  6. Step 6: Final answer
    x = 8,483.90

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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.