Home / 11,429.67-15,773.60-6,394.11

Finding the Fourth Proportional to 11,429.67, 15,773.60 and 6,394.11

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Solution

The fourth proportional to 11,429.67, 15,773.60 and 6,394.11 is: 8,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.67 : 15,773.60 = 6,394.11 : x
  2. Step 2: Convert to fraction form
    11,429.67/15,773.60 = 6,394.11/x
  3. Step 3: Cross multiply
    11,429.67x = 15,773.60 × 6,394.11
  4. Step 4: Simplify right side
    11,429.67x = 100,858,101.53
  5. Step 5: Solve for x
    x = 100,858,101.53/11,429.67
  6. Step 6: Final answer
    x = 8,824.24

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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.