Home / 11,610.55-17,403.91-4,587.72

Finding the Fourth Proportional to 11,610.55, 17,403.91 and 4,587.72

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Solution

The fourth proportional to 11,610.55, 17,403.91 and 4,587.72 is: 6,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.55 : 17,403.91 = 4,587.72 : x
  2. Step 2: Convert to fraction form
    11,610.55/17,403.91 = 4,587.72/x
  3. Step 3: Cross multiply
    11,610.55x = 17,403.91 × 4,587.72
  4. Step 4: Simplify right side
    11,610.55x = 79,844,265.99
  5. Step 5: Solve for x
    x = 79,844,265.99/11,610.55
  6. Step 6: Final answer
    x = 6,876.87

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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.