Home / 11,579.20-17,368.86-2,814.10

Finding the Fourth Proportional to 11,579.20, 17,368.86 and 2,814.10

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Solution

The fourth proportional to 11,579.20, 17,368.86 and 2,814.10 is: 4,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.20 : 17,368.86 = 2,814.10 : x
  2. Step 2: Convert to fraction form
    11,579.20/17,368.86 = 2,814.10/x
  3. Step 3: Cross multiply
    11,579.20x = 17,368.86 × 2,814.10
  4. Step 4: Simplify right side
    11,579.20x = 48,877,708.93
  5. Step 5: Solve for x
    x = 48,877,708.93/11,579.20
  6. Step 6: Final answer
    x = 4,221.16

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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.