Home / 17,661.66-26,485.20-7,131.26

Finding the Fourth Proportional to 17,661.66, 26,485.20 and 7,131.26

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Solution

The fourth proportional to 17,661.66, 26,485.20 and 7,131.26 is: 10,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.66 : 26,485.20 = 7,131.26 : x
  2. Step 2: Convert to fraction form
    17,661.66/26,485.20 = 7,131.26/x
  3. Step 3: Cross multiply
    17,661.66x = 26,485.20 × 7,131.26
  4. Step 4: Simplify right side
    17,661.66x = 188,872,714.93
  5. Step 5: Solve for x
    x = 188,872,714.93/17,661.66
  6. Step 6: Final answer
    x = 10,693.94

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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.