Home / 11,243.64-15,513.81-6,525.39

Finding the Fourth Proportional to 11,243.64, 15,513.81 and 6,525.39

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Solution

The fourth proportional to 11,243.64, 15,513.81 and 6,525.39 is: 9,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.64 : 15,513.81 = 6,525.39 : x
  2. Step 2: Convert to fraction form
    11,243.64/15,513.81 = 6,525.39/x
  3. Step 3: Cross multiply
    11,243.64x = 15,513.81 × 6,525.39
  4. Step 4: Simplify right side
    11,243.64x = 101,233,660.64
  5. Step 5: Solve for x
    x = 101,233,660.64/11,243.64
  6. Step 6: Final answer
    x = 9,003.64

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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.