Home / 10,128.22-13,975.26-6,765.64

Finding the Fourth Proportional to 10,128.22, 13,975.26 and 6,765.64

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Solution

The fourth proportional to 10,128.22, 13,975.26 and 6,765.64 is: 9,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.22 : 13,975.26 = 6,765.64 : x
  2. Step 2: Convert to fraction form
    10,128.22/13,975.26 = 6,765.64/x
  3. Step 3: Cross multiply
    10,128.22x = 13,975.26 × 6,765.64
  4. Step 4: Simplify right side
    10,128.22x = 94,551,578.07
  5. Step 5: Solve for x
    x = 94,551,578.07/10,128.22
  6. Step 6: Final answer
    x = 9,335.46

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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.