Home / 11,235.36-15,504.78-6,455.64

Finding the Fourth Proportional to 11,235.36, 15,504.78 and 6,455.64

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Solution

The fourth proportional to 11,235.36, 15,504.78 and 6,455.64 is: 8,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.36 : 15,504.78 = 6,455.64 : x
  2. Step 2: Convert to fraction form
    11,235.36/15,504.78 = 6,455.64/x
  3. Step 3: Cross multiply
    11,235.36x = 15,504.78 × 6,455.64
  4. Step 4: Simplify right side
    11,235.36x = 100,093,277.96
  5. Step 5: Solve for x
    x = 100,093,277.96/11,235.36
  6. Step 6: Final answer
    x = 8,908.77

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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.