Home / 11,285.80-16,929.18-3,494.68

Finding the Fourth Proportional to 11,285.80, 16,929.18 and 3,494.68

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Solution

The fourth proportional to 11,285.80, 16,929.18 and 3,494.68 is: 5,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.80 : 16,929.18 = 3,494.68 : x
  2. Step 2: Convert to fraction form
    11,285.80/16,929.18 = 3,494.68/x
  3. Step 3: Cross multiply
    11,285.80x = 16,929.18 × 3,494.68
  4. Step 4: Simplify right side
    11,285.80x = 59,162,066.76
  5. Step 5: Solve for x
    x = 59,162,066.76/11,285.80
  6. Step 6: Final answer
    x = 5,242.17

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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.