Home / 17,480.89-26,205.59-6,379.79

Finding the Fourth Proportional to 17,480.89, 26,205.59 and 6,379.79

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Solution

The fourth proportional to 17,480.89, 26,205.59 and 6,379.79 is: 9,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.89 : 26,205.59 = 6,379.79 : x
  2. Step 2: Convert to fraction form
    17,480.89/26,205.59 = 6,379.79/x
  3. Step 3: Cross multiply
    17,480.89x = 26,205.59 × 6,379.79
  4. Step 4: Simplify right side
    17,480.89x = 167,186,059.20
  5. Step 5: Solve for x
    x = 167,186,059.20/17,480.89
  6. Step 6: Final answer
    x = 9,563.93

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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.