Home / 17,760.61-26,633.93-6,661.25

Finding the Fourth Proportional to 17,760.61, 26,633.93 and 6,661.25

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Solution

The fourth proportional to 17,760.61, 26,633.93 and 6,661.25 is: 9,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.61 : 26,633.93 = 6,661.25 : x
  2. Step 2: Convert to fraction form
    17,760.61/26,633.93 = 6,661.25/x
  3. Step 3: Cross multiply
    17,760.61x = 26,633.93 × 6,661.25
  4. Step 4: Simplify right side
    17,760.61x = 177,415,149.70
  5. Step 5: Solve for x
    x = 177,415,149.70/17,760.61
  6. Step 6: Final answer
    x = 9,989.25

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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.