Home / 14,495.96-21,753.68-5,135.94

Finding the Fourth Proportional to 14,495.96, 21,753.68 and 5,135.94

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Solution

The fourth proportional to 14,495.96, 21,753.68 and 5,135.94 is: 7,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.96 : 21,753.68 = 5,135.94 : x
  2. Step 2: Convert to fraction form
    14,495.96/21,753.68 = 5,135.94/x
  3. Step 3: Cross multiply
    14,495.96x = 21,753.68 × 5,135.94
  4. Step 4: Simplify right side
    14,495.96x = 111,725,569.58
  5. Step 5: Solve for x
    x = 111,725,569.58/14,495.96
  6. Step 6: Final answer
    x = 7,707.36

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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.