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Finding the Fourth Proportional to 11,605.26, 16,015.26 and 6,300.07

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Solution

The fourth proportional to 11,605.26, 16,015.26 and 6,300.07 is: 8,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.26 : 16,015.26 = 6,300.07 : x
  2. Step 2: Convert to fraction form
    11,605.26/16,015.26 = 6,300.07/x
  3. Step 3: Cross multiply
    11,605.26x = 16,015.26 × 6,300.07
  4. Step 4: Simplify right side
    11,605.26x = 100,897,259.07
  5. Step 5: Solve for x
    x = 100,897,259.07/11,605.26
  6. Step 6: Final answer
    x = 8,694.10

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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.