Home / 11,326.39-15,627.90-6,850.05

Finding the Fourth Proportional to 11,326.39, 15,627.90 and 6,850.05

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Solution

The fourth proportional to 11,326.39, 15,627.90 and 6,850.05 is: 9,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.39 : 15,627.90 = 6,850.05 : x
  2. Step 2: Convert to fraction form
    11,326.39/15,627.90 = 6,850.05/x
  3. Step 3: Cross multiply
    11,326.39x = 15,627.90 × 6,850.05
  4. Step 4: Simplify right side
    11,326.39x = 107,051,896.40
  5. Step 5: Solve for x
    x = 107,051,896.40/11,326.39
  6. Step 6: Final answer
    x = 9,451.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.