Home / 11,140.33-15,372.19-6,662.45

Finding the Fourth Proportional to 11,140.33, 15,372.19 and 6,662.45

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Solution

The fourth proportional to 11,140.33, 15,372.19 and 6,662.45 is: 9,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.33 : 15,372.19 = 6,662.45 : x
  2. Step 2: Convert to fraction form
    11,140.33/15,372.19 = 6,662.45/x
  3. Step 3: Cross multiply
    11,140.33x = 15,372.19 × 6,662.45
  4. Step 4: Simplify right side
    11,140.33x = 102,416,362.08
  5. Step 5: Solve for x
    x = 102,416,362.08/11,140.33
  6. Step 6: Final answer
    x = 9,193.30

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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.