Home / 11,157.35-16,740.57-4,917.11

Finding the Fourth Proportional to 11,157.35, 16,740.57 and 4,917.11

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Solution

The fourth proportional to 11,157.35, 16,740.57 and 4,917.11 is: 7,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.35 : 16,740.57 = 4,917.11 : x
  2. Step 2: Convert to fraction form
    11,157.35/16,740.57 = 4,917.11/x
  3. Step 3: Cross multiply
    11,157.35x = 16,740.57 × 4,917.11
  4. Step 4: Simplify right side
    11,157.35x = 82,315,158.89
  5. Step 5: Solve for x
    x = 82,315,158.89/11,157.35
  6. Step 6: Final answer
    x = 7,377.67

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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.