Home / 11,015.85-15,201.57-6,299.82

Finding the Fourth Proportional to 11,015.85, 15,201.57 and 6,299.82

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Solution

The fourth proportional to 11,015.85, 15,201.57 and 6,299.82 is: 8,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.85 : 15,201.57 = 6,299.82 : x
  2. Step 2: Convert to fraction form
    11,015.85/15,201.57 = 6,299.82/x
  3. Step 3: Cross multiply
    11,015.85x = 15,201.57 × 6,299.82
  4. Step 4: Simplify right side
    11,015.85x = 95,767,154.72
  5. Step 5: Solve for x
    x = 95,767,154.72/11,015.85
  6. Step 6: Final answer
    x = 8,693.58

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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.