Home / 11,725.32-16,180.26-7,009.32

Finding the Fourth Proportional to 11,725.32, 16,180.26 and 7,009.32

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Solution

The fourth proportional to 11,725.32, 16,180.26 and 7,009.32 is: 9,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.32 : 16,180.26 = 7,009.32 : x
  2. Step 2: Convert to fraction form
    11,725.32/16,180.26 = 7,009.32/x
  3. Step 3: Cross multiply
    11,725.32x = 16,180.26 × 7,009.32
  4. Step 4: Simplify right side
    11,725.32x = 113,412,620.02
  5. Step 5: Solve for x
    x = 113,412,620.02/11,725.32
  6. Step 6: Final answer
    x = 9,672.45

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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.