Home / 11,708.88-17,561.21-3,386.85

Finding the Fourth Proportional to 11,708.88, 17,561.21 and 3,386.85

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Solution

The fourth proportional to 11,708.88, 17,561.21 and 3,386.85 is: 5,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.88 : 17,561.21 = 3,386.85 : x
  2. Step 2: Convert to fraction form
    11,708.88/17,561.21 = 3,386.85/x
  3. Step 3: Cross multiply
    11,708.88x = 17,561.21 × 3,386.85
  4. Step 4: Simplify right side
    11,708.88x = 59,477,167.15
  5. Step 5: Solve for x
    x = 59,477,167.15/11,708.88
  6. Step 6: Final answer
    x = 5,079.66

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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.