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Finding the Fourth Proportional to 16,685.30, 25,037.82 and 6,162.65

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Solution

The fourth proportional to 16,685.30, 25,037.82 and 6,162.65 is: 9,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.30 : 25,037.82 = 6,162.65 : x
  2. Step 2: Convert to fraction form
    16,685.30/25,037.82 = 6,162.65/x
  3. Step 3: Cross multiply
    16,685.30x = 25,037.82 × 6,162.65
  4. Step 4: Simplify right side
    16,685.30x = 154,299,321.42
  5. Step 5: Solve for x
    x = 154,299,321.42/16,685.30
  6. Step 6: Final answer
    x = 9,247.62

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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.