Home / 10,830.80-16,239.60-4,249.10

Finding the Fourth Proportional to 10,830.80, 16,239.60 and 4,249.10

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Solution

The fourth proportional to 10,830.80, 16,239.60 and 4,249.10 is: 6,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.80 : 16,239.60 = 4,249.10 : x
  2. Step 2: Convert to fraction form
    10,830.80/16,239.60 = 4,249.10/x
  3. Step 3: Cross multiply
    10,830.80x = 16,239.60 × 4,249.10
  4. Step 4: Simplify right side
    10,830.80x = 69,003,684.36
  5. Step 5: Solve for x
    x = 69,003,684.36/10,830.80
  6. Step 6: Final answer
    x = 6,371.06

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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.