Home / 14,066.96-21,100.44-3,678.62

Finding the Fourth Proportional to 14,066.96, 21,100.44 and 3,678.62

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Solution

The fourth proportional to 14,066.96, 21,100.44 and 3,678.62 is: 5,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.96 : 21,100.44 = 3,678.62 : x
  2. Step 2: Convert to fraction form
    14,066.96/21,100.44 = 3,678.62/x
  3. Step 3: Cross multiply
    14,066.96x = 21,100.44 × 3,678.62
  4. Step 4: Simplify right side
    14,066.96x = 77,620,500.59
  5. Step 5: Solve for x
    x = 77,620,500.59/14,066.96
  6. Step 6: Final answer
    x = 5,517.93

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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.