Home / 11,099.58-15,317.43-6,383.85

Finding the Fourth Proportional to 11,099.58, 15,317.43 and 6,383.85

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Solution

The fourth proportional to 11,099.58, 15,317.43 and 6,383.85 is: 8,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.58 : 15,317.43 = 6,383.85 : x
  2. Step 2: Convert to fraction form
    11,099.58/15,317.43 = 6,383.85/x
  3. Step 3: Cross multiply
    11,099.58x = 15,317.43 × 6,383.85
  4. Step 4: Simplify right side
    11,099.58x = 97,784,175.51
  5. Step 5: Solve for x
    x = 97,784,175.51/11,099.58
  6. Step 6: Final answer
    x = 8,809.72

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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.