Home / 9,872.72-14,814.92-3,637.11

Finding the Fourth Proportional to 9,872.72, 14,814.92 and 3,637.11

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Solution

The fourth proportional to 9,872.72, 14,814.92 and 3,637.11 is: 5,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.72 : 14,814.92 = 3,637.11 : x
  2. Step 2: Convert to fraction form
    9,872.72/14,814.92 = 3,637.11/x
  3. Step 3: Cross multiply
    9,872.72x = 14,814.92 × 3,637.11
  4. Step 4: Simplify right side
    9,872.72x = 53,883,493.68
  5. Step 5: Solve for x
    x = 53,883,493.68/9,872.72
  6. Step 6: Final answer
    x = 5,457.82

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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.