Home / 11,455.83-17,216.96-7,584.84

Finding the Fourth Proportional to 11,455.83, 17,216.96 and 7,584.84

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Solution

The fourth proportional to 11,455.83, 17,216.96 and 7,584.84 is: 11,399.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.83 : 17,216.96 = 7,584.84 : x
  2. Step 2: Convert to fraction form
    11,455.83/17,216.96 = 7,584.84/x
  3. Step 3: Cross multiply
    11,455.83x = 17,216.96 × 7,584.84
  4. Step 4: Simplify right side
    11,455.83x = 130,587,848.96
  5. Step 5: Solve for x
    x = 130,587,848.96/11,455.83
  6. Step 6: Final answer
    x = 11,399.25

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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.