Home / 10,813.08-16,228.74-4,243.88

Finding the Fourth Proportional to 10,813.08, 16,228.74 and 4,243.88

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Solution

The fourth proportional to 10,813.08, 16,228.74 and 4,243.88 is: 6,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.08 : 16,228.74 = 4,243.88 : x
  2. Step 2: Convert to fraction form
    10,813.08/16,228.74 = 4,243.88/x
  3. Step 3: Cross multiply
    10,813.08x = 16,228.74 × 4,243.88
  4. Step 4: Simplify right side
    10,813.08x = 68,872,857.73
  5. Step 5: Solve for x
    x = 68,872,857.73/10,813.08
  6. Step 6: Final answer
    x = 6,369.40

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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.