Home / 11,152.48-16,720.26-6,768.76

Finding the Fourth Proportional to 11,152.48, 16,720.26 and 6,768.76

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Solution

The fourth proportional to 11,152.48, 16,720.26 and 6,768.76 is: 10,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.48 : 16,720.26 = 6,768.76 : x
  2. Step 2: Convert to fraction form
    11,152.48/16,720.26 = 6,768.76/x
  3. Step 3: Cross multiply
    11,152.48x = 16,720.26 × 6,768.76
  4. Step 4: Simplify right side
    11,152.48x = 113,175,427.08
  5. Step 5: Solve for x
    x = 113,175,427.08/11,152.48
  6. Step 6: Final answer
    x = 10,148.01

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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.