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Finding the Fourth Proportional to 10,606.50, 14,636.97 and 5,891.22

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Solution

The fourth proportional to 10,606.50, 14,636.97 and 5,891.22 is: 8,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.50 : 14,636.97 = 5,891.22 : x
  2. Step 2: Convert to fraction form
    10,606.50/14,636.97 = 5,891.22/x
  3. Step 3: Cross multiply
    10,606.50x = 14,636.97 × 5,891.22
  4. Step 4: Simplify right side
    10,606.50x = 86,229,610.40
  5. Step 5: Solve for x
    x = 86,229,610.40/10,606.50
  6. Step 6: Final answer
    x = 8,129.88

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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.