Home / 14,550.84-21,828.69-4,691.12

Finding the Fourth Proportional to 14,550.84, 21,828.69 and 4,691.12

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Solution

The fourth proportional to 14,550.84, 21,828.69 and 4,691.12 is: 7,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.84 : 21,828.69 = 4,691.12 : x
  2. Step 2: Convert to fraction form
    14,550.84/21,828.69 = 4,691.12/x
  3. Step 3: Cross multiply
    14,550.84x = 21,828.69 × 4,691.12
  4. Step 4: Simplify right side
    14,550.84x = 102,400,895.09
  5. Step 5: Solve for x
    x = 102,400,895.09/14,550.84
  6. Step 6: Final answer
    x = 7,037.46

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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.