Home / 11,322.64-15,627.09-8,665.03

Finding the Fourth Proportional to 11,322.64, 15,627.09 and 8,665.03

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Solution

The fourth proportional to 11,322.64, 15,627.09 and 8,665.03 is: 11,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.64 : 15,627.09 = 8,665.03 : x
  2. Step 2: Convert to fraction form
    11,322.64/15,627.09 = 8,665.03/x
  3. Step 3: Cross multiply
    11,322.64x = 15,627.09 × 8,665.03
  4. Step 4: Simplify right side
    11,322.64x = 135,409,203.66
  5. Step 5: Solve for x
    x = 135,409,203.66/11,322.64
  6. Step 6: Final answer
    x = 11,959.15

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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.