Home / 10,911.54-15,059.33-6,661.71

Finding the Fourth Proportional to 10,911.54, 15,059.33 and 6,661.71

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Solution

The fourth proportional to 10,911.54, 15,059.33 and 6,661.71 is: 9,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.54 : 15,059.33 = 6,661.71 : x
  2. Step 2: Convert to fraction form
    10,911.54/15,059.33 = 6,661.71/x
  3. Step 3: Cross multiply
    10,911.54x = 15,059.33 × 6,661.71
  4. Step 4: Simplify right side
    10,911.54x = 100,320,889.25
  5. Step 5: Solve for x
    x = 100,320,889.25/10,911.54
  6. Step 6: Final answer
    x = 9,194.02

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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.