Home / 11,205.36-15,455.52-7,010.64

Finding the Fourth Proportional to 11,205.36, 15,455.52 and 7,010.64

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Solution

The fourth proportional to 11,205.36, 15,455.52 and 7,010.64 is: 9,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.36 : 15,455.52 = 7,010.64 : x
  2. Step 2: Convert to fraction form
    11,205.36/15,455.52 = 7,010.64/x
  3. Step 3: Cross multiply
    11,205.36x = 15,455.52 × 7,010.64
  4. Step 4: Simplify right side
    11,205.36x = 108,353,086.73
  5. Step 5: Solve for x
    x = 108,353,086.73/11,205.36
  6. Step 6: Final answer
    x = 9,669.76

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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.