Home / 11,507.09-17,261.62-3,187.10

Finding the Fourth Proportional to 11,507.09, 17,261.62 and 3,187.10

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Solution

The fourth proportional to 11,507.09, 17,261.62 and 3,187.10 is: 4,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.09 : 17,261.62 = 3,187.10 : x
  2. Step 2: Convert to fraction form
    11,507.09/17,261.62 = 3,187.10/x
  3. Step 3: Cross multiply
    11,507.09x = 17,261.62 × 3,187.10
  4. Step 4: Simplify right side
    11,507.09x = 55,014,544.29
  5. Step 5: Solve for x
    x = 55,014,544.29/11,507.09
  6. Step 6: Final answer
    x = 4,780.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.