Home / 9,538.15-13,170.46-6,186.65

Finding the Fourth Proportional to 9,538.15, 13,170.46 and 6,186.65

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Solution

The fourth proportional to 9,538.15, 13,170.46 and 6,186.65 is: 8,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.15 : 13,170.46 = 6,186.65 : x
  2. Step 2: Convert to fraction form
    9,538.15/13,170.46 = 6,186.65/x
  3. Step 3: Cross multiply
    9,538.15x = 13,170.46 × 6,186.65
  4. Step 4: Simplify right side
    9,538.15x = 81,481,026.36
  5. Step 5: Solve for x
    x = 81,481,026.36/9,538.15
  6. Step 6: Final answer
    x = 8,542.64

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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.