Home / 11,275.39-15,560.47-6,171.25

Finding the Fourth Proportional to 11,275.39, 15,560.47 and 6,171.25

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Solution

The fourth proportional to 11,275.39, 15,560.47 and 6,171.25 is: 8,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.39 : 15,560.47 = 6,171.25 : x
  2. Step 2: Convert to fraction form
    11,275.39/15,560.47 = 6,171.25/x
  3. Step 3: Cross multiply
    11,275.39x = 15,560.47 × 6,171.25
  4. Step 4: Simplify right side
    11,275.39x = 96,027,550.49
  5. Step 5: Solve for x
    x = 96,027,550.49/11,275.39
  6. Step 6: Final answer
    x = 8,516.56

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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.