Home / 11,201.28-15,458.72-6,166.48

Finding the Fourth Proportional to 11,201.28, 15,458.72 and 6,166.48

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Solution

The fourth proportional to 11,201.28, 15,458.72 and 6,166.48 is: 8,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.28 : 15,458.72 = 6,166.48 : x
  2. Step 2: Convert to fraction form
    11,201.28/15,458.72 = 6,166.48/x
  3. Step 3: Cross multiply
    11,201.28x = 15,458.72 × 6,166.48
  4. Step 4: Simplify right side
    11,201.28x = 95,325,887.71
  5. Step 5: Solve for x
    x = 95,325,887.71/11,201.28
  6. Step 6: Final answer
    x = 8,510.27

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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.