Home / 9,872.21-14,814.17-3,636.61

Finding the Fourth Proportional to 9,872.21, 14,814.17 and 3,636.61

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Solution

The fourth proportional to 9,872.21, 14,814.17 and 3,636.61 is: 5,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.21 : 14,814.17 = 3,636.61 : x
  2. Step 2: Convert to fraction form
    9,872.21/14,814.17 = 3,636.61/x
  3. Step 3: Cross multiply
    9,872.21x = 14,814.17 × 3,636.61
  4. Step 4: Simplify right side
    9,872.21x = 53,873,317.18
  5. Step 5: Solve for x
    x = 53,873,317.18/9,872.21
  6. Step 6: Final answer
    x = 5,457.07

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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.