Home / 11,543.22-15,860.39-9,181.26

Finding the Fourth Proportional to 11,543.22, 15,860.39 and 9,181.26

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Solution

The fourth proportional to 11,543.22, 15,860.39 and 9,181.26 is: 12,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.22 : 15,860.39 = 9,181.26 : x
  2. Step 2: Convert to fraction form
    11,543.22/15,860.39 = 9,181.26/x
  3. Step 3: Cross multiply
    11,543.22x = 15,860.39 × 9,181.26
  4. Step 4: Simplify right side
    11,543.22x = 145,618,318.39
  5. Step 5: Solve for x
    x = 145,618,318.39/11,543.22
  6. Step 6: Final answer
    x = 12,615.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.