Home / 11,162.67-15,404.85-6,126.96

Finding the Fourth Proportional to 11,162.67, 15,404.85 and 6,126.96

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Solution

The fourth proportional to 11,162.67, 15,404.85 and 6,126.96 is: 8,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.67 : 15,404.85 = 6,126.96 : x
  2. Step 2: Convert to fraction form
    11,162.67/15,404.85 = 6,126.96/x
  3. Step 3: Cross multiply
    11,162.67x = 15,404.85 × 6,126.96
  4. Step 4: Simplify right side
    11,162.67x = 94,384,899.76
  5. Step 5: Solve for x
    x = 94,384,899.76/11,162.67
  6. Step 6: Final answer
    x = 8,455.41

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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.