Home / 11,905.26-16,430.09-6,600.57

Finding the Fourth Proportional to 11,905.26, 16,430.09 and 6,600.57

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Solution

The fourth proportional to 11,905.26, 16,430.09 and 6,600.57 is: 9,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.26 : 16,430.09 = 6,600.57 : x
  2. Step 2: Convert to fraction form
    11,905.26/16,430.09 = 6,600.57/x
  3. Step 3: Cross multiply
    11,905.26x = 16,430.09 × 6,600.57
  4. Step 4: Simplify right side
    11,905.26x = 108,447,926.15
  5. Step 5: Solve for x
    x = 108,447,926.15/11,905.26
  6. Step 6: Final answer
    x = 9,109.24

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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.