Home / 10,815.90-16,232.96-4,246.70

Finding the Fourth Proportional to 10,815.90, 16,232.96 and 4,246.70

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Solution

The fourth proportional to 10,815.90, 16,232.96 and 4,246.70 is: 6,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.90 : 16,232.96 = 4,246.70 : x
  2. Step 2: Convert to fraction form
    10,815.90/16,232.96 = 4,246.70/x
  3. Step 3: Cross multiply
    10,815.90x = 16,232.96 × 4,246.70
  4. Step 4: Simplify right side
    10,815.90x = 68,936,440.68
  5. Step 5: Solve for x
    x = 68,936,440.68/10,815.90
  6. Step 6: Final answer
    x = 6,373.62

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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.