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Finding the Fourth Proportional to 16,383.87, 24,555.21 and 7,012.86

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Solution

The fourth proportional to 16,383.87, 24,555.21 and 7,012.86 is: 10,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,383.87 : 24,555.21 = 7,012.86 : x
  2. Step 2: Convert to fraction form
    16,383.87/24,555.21 = 7,012.86/x
  3. Step 3: Cross multiply
    16,383.87x = 24,555.21 × 7,012.86
  4. Step 4: Simplify right side
    16,383.87x = 172,202,250.00
  5. Step 5: Solve for x
    x = 172,202,250.00/16,383.87
  6. Step 6: Final answer
    x = 10,510.47

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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.