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Finding the Fourth Proportional to 14,661.60, 21,986.94 and 5,893.56

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Solution

The fourth proportional to 14,661.60, 21,986.94 and 5,893.56 is: 8,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.60 : 21,986.94 = 5,893.56 : x
  2. Step 2: Convert to fraction form
    14,661.60/21,986.94 = 5,893.56/x
  3. Step 3: Cross multiply
    14,661.60x = 21,986.94 × 5,893.56
  4. Step 4: Simplify right side
    14,661.60x = 129,581,350.11
  5. Step 5: Solve for x
    x = 129,581,350.11/14,661.60
  6. Step 6: Final answer
    x = 8,838.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.