Home / 11,864.40-17,796.60-6,615.60

Finding the Fourth Proportional to 11,864.40, 17,796.60 and 6,615.60

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Solution

The fourth proportional to 11,864.40, 17,796.60 and 6,615.60 is: 9,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.40 : 17,796.60 = 6,615.60 : x
  2. Step 2: Convert to fraction form
    11,864.40/17,796.60 = 6,615.60/x
  3. Step 3: Cross multiply
    11,864.40x = 17,796.60 × 6,615.60
  4. Step 4: Simplify right side
    11,864.40x = 117,735,186.96
  5. Step 5: Solve for x
    x = 117,735,186.96/11,864.40
  6. Step 6: Final answer
    x = 9,923.40

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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.