Home / 10,680.41-16,018.90-3,660.14

Finding the Fourth Proportional to 10,680.41, 16,018.90 and 3,660.14

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Solution

The fourth proportional to 10,680.41, 16,018.90 and 3,660.14 is: 5,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.41 : 16,018.90 = 3,660.14 : x
  2. Step 2: Convert to fraction form
    10,680.41/16,018.90 = 3,660.14/x
  3. Step 3: Cross multiply
    10,680.41x = 16,018.90 × 3,660.14
  4. Step 4: Simplify right side
    10,680.41x = 58,631,416.65
  5. Step 5: Solve for x
    x = 58,631,416.65/10,680.41
  6. Step 6: Final answer
    x = 5,489.62

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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.