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Finding the Fourth Proportional to 10,661.87, 14,713.79 and 5,947.07

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Solution

The fourth proportional to 10,661.87, 14,713.79 and 5,947.07 is: 8,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.87 : 14,713.79 = 5,947.07 : x
  2. Step 2: Convert to fraction form
    10,661.87/14,713.79 = 5,947.07/x
  3. Step 3: Cross multiply
    10,661.87x = 14,713.79 × 5,947.07
  4. Step 4: Simplify right side
    10,661.87x = 87,503,835.79
  5. Step 5: Solve for x
    x = 87,503,835.79/10,661.87
  6. Step 6: Final answer
    x = 8,207.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.