Home / 11,005.80-16,508.85-3,610.81

Finding the Fourth Proportional to 11,005.80, 16,508.85 and 3,610.81

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Solution

The fourth proportional to 11,005.80, 16,508.85 and 3,610.81 is: 5,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.80 : 16,508.85 = 3,610.81 : x
  2. Step 2: Convert to fraction form
    11,005.80/16,508.85 = 3,610.81/x
  3. Step 3: Cross multiply
    11,005.80x = 16,508.85 × 3,610.81
  4. Step 4: Simplify right side
    11,005.80x = 59,610,320.67
  5. Step 5: Solve for x
    x = 59,610,320.67/11,005.80
  6. Step 6: Final answer
    x = 5,416.26

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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.