Home / 9,914.86-14,872.79-2,519.39

Finding the Fourth Proportional to 9,914.86, 14,872.79 and 2,519.39

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Solution

The fourth proportional to 9,914.86, 14,872.79 and 2,519.39 is: 3,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.86 : 14,872.79 = 2,519.39 : x
  2. Step 2: Convert to fraction form
    9,914.86/14,872.79 = 2,519.39/x
  3. Step 3: Cross multiply
    9,914.86x = 14,872.79 × 2,519.39
  4. Step 4: Simplify right side
    9,914.86x = 37,470,358.40
  5. Step 5: Solve for x
    x = 37,470,358.40/9,914.86
  6. Step 6: Final answer
    x = 3,779.21

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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.