Home / 11,346.40-17,019.67-3,945.68

Finding the Fourth Proportional to 11,346.40, 17,019.67 and 3,945.68

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Solution

The fourth proportional to 11,346.40, 17,019.67 and 3,945.68 is: 5,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.40 : 17,019.67 = 3,945.68 : x
  2. Step 2: Convert to fraction form
    11,346.40/17,019.67 = 3,945.68/x
  3. Step 3: Cross multiply
    11,346.40x = 17,019.67 × 3,945.68
  4. Step 4: Simplify right side
    11,346.40x = 67,154,171.53
  5. Step 5: Solve for x
    x = 67,154,171.53/11,346.40
  6. Step 6: Final answer
    x = 5,918.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.