Home / 11,365.09-15,683.84-6,330.28

Finding the Fourth Proportional to 11,365.09, 15,683.84 and 6,330.28

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Solution

The fourth proportional to 11,365.09, 15,683.84 and 6,330.28 is: 8,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.09 : 15,683.84 = 6,330.28 : x
  2. Step 2: Convert to fraction form
    11,365.09/15,683.84 = 6,330.28/x
  3. Step 3: Cross multiply
    11,365.09x = 15,683.84 × 6,330.28
  4. Step 4: Simplify right side
    11,365.09x = 99,283,098.68
  5. Step 5: Solve for x
    x = 99,283,098.68/11,365.09
  6. Step 6: Final answer
    x = 8,735.80

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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.