Home / 9,939.37-14,909.14-2,919.51

Finding the Fourth Proportional to 9,939.37, 14,909.14 and 2,919.51

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Solution

The fourth proportional to 9,939.37, 14,909.14 and 2,919.51 is: 4,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.37 : 14,909.14 = 2,919.51 : x
  2. Step 2: Convert to fraction form
    9,939.37/14,909.14 = 2,919.51/x
  3. Step 3: Cross multiply
    9,939.37x = 14,909.14 × 2,919.51
  4. Step 4: Simplify right side
    9,939.37x = 43,527,383.32
  5. Step 5: Solve for x
    x = 43,527,383.32/9,939.37
  6. Step 6: Final answer
    x = 4,379.29

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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.