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Finding the Fourth Proportional to 10,674.80, 14,732.09 and 5,895.18

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Solution

The fourth proportional to 10,674.80, 14,732.09 and 5,895.18 is: 8,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.80 : 14,732.09 = 5,895.18 : x
  2. Step 2: Convert to fraction form
    10,674.80/14,732.09 = 5,895.18/x
  3. Step 3: Cross multiply
    10,674.80x = 14,732.09 × 5,895.18
  4. Step 4: Simplify right side
    10,674.80x = 86,848,348.12
  5. Step 5: Solve for x
    x = 86,848,348.12/10,674.80
  6. Step 6: Final answer
    x = 8,135.83

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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.