Home / 11,005.80-16,487.10-6,610.20

Finding the Fourth Proportional to 11,005.80, 16,487.10 and 6,610.20

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Solution

The fourth proportional to 11,005.80, 16,487.10 and 6,610.20 is: 9,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.80 : 16,487.10 = 6,610.20 : x
  2. Step 2: Convert to fraction form
    11,005.80/16,487.10 = 6,610.20/x
  3. Step 3: Cross multiply
    11,005.80x = 16,487.10 × 6,610.20
  4. Step 4: Simplify right side
    11,005.80x = 108,983,028.42
  5. Step 5: Solve for x
    x = 108,983,028.42/11,005.80
  6. Step 6: Final answer
    x = 9,902.33

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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.