Home / 11,657.25-16,091.19-6,941.43

Finding the Fourth Proportional to 11,657.25, 16,091.19 and 6,941.43

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Solution

The fourth proportional to 11,657.25, 16,091.19 and 6,941.43 is: 9,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.25 : 16,091.19 = 6,941.43 : x
  2. Step 2: Convert to fraction form
    11,657.25/16,091.19 = 6,941.43/x
  3. Step 3: Cross multiply
    11,657.25x = 16,091.19 × 6,941.43
  4. Step 4: Simplify right side
    11,657.25x = 111,695,869.00
  5. Step 5: Solve for x
    x = 111,695,869.00/11,657.25
  6. Step 6: Final answer
    x = 9,581.67

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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.