Home / 11,505.52-17,259.36-3,186.12

Finding the Fourth Proportional to 11,505.52, 17,259.36 and 3,186.12

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Solution

The fourth proportional to 11,505.52, 17,259.36 and 3,186.12 is: 4,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.52 : 17,259.36 = 3,186.12 : x
  2. Step 2: Convert to fraction form
    11,505.52/17,259.36 = 3,186.12/x
  3. Step 3: Cross multiply
    11,505.52x = 17,259.36 × 3,186.12
  4. Step 4: Simplify right side
    11,505.52x = 54,990,392.08
  5. Step 5: Solve for x
    x = 54,990,392.08/11,505.52
  6. Step 6: Final answer
    x = 4,779.48

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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.