Home / 10,999.90-16,477.45-6,827.10

Finding the Fourth Proportional to 10,999.90, 16,477.45 and 6,827.10

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Solution

The fourth proportional to 10,999.90, 16,477.45 and 6,827.10 is: 10,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.90 : 16,477.45 = 6,827.10 : x
  2. Step 2: Convert to fraction form
    10,999.90/16,477.45 = 6,827.10/x
  3. Step 3: Cross multiply
    10,999.90x = 16,477.45 × 6,827.10
  4. Step 4: Simplify right side
    10,999.90x = 112,493,198.90
  5. Step 5: Solve for x
    x = 112,493,198.90/10,999.90
  6. Step 6: Final answer
    x = 10,226.75

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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.