Home / 11,365.12-15,683.87-6,330.31

Finding the Fourth Proportional to 11,365.12, 15,683.87 and 6,330.31

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Solution

The fourth proportional to 11,365.12, 15,683.87 and 6,330.31 is: 8,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.12 : 15,683.87 = 6,330.31 : x
  2. Step 2: Convert to fraction form
    11,365.12/15,683.87 = 6,330.31/x
  3. Step 3: Cross multiply
    11,365.12x = 15,683.87 × 6,330.31
  4. Step 4: Simplify right side
    11,365.12x = 99,283,735.72
  5. Step 5: Solve for x
    x = 99,283,735.72/11,365.12
  6. Step 6: Final answer
    x = 8,735.83

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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.