Home / 11,336.69-15,650.21-8,695.89

Finding the Fourth Proportional to 11,336.69, 15,650.21 and 8,695.89

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Solution

The fourth proportional to 11,336.69, 15,650.21 and 8,695.89 is: 12,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.69 : 15,650.21 = 8,695.89 : x
  2. Step 2: Convert to fraction form
    11,336.69/15,650.21 = 8,695.89/x
  3. Step 3: Cross multiply
    11,336.69x = 15,650.21 × 8,695.89
  4. Step 4: Simplify right side
    11,336.69x = 136,092,526.38
  5. Step 5: Solve for x
    x = 136,092,526.38/11,336.69
  6. Step 6: Final answer
    x = 12,004.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.