Home / 13,664.68-20,497.98-5,347.24

Finding the Fourth Proportional to 13,664.68, 20,497.98 and 5,347.24

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Solution

The fourth proportional to 13,664.68, 20,497.98 and 5,347.24 is: 8,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.68 : 20,497.98 = 5,347.24 : x
  2. Step 2: Convert to fraction form
    13,664.68/20,497.98 = 5,347.24/x
  3. Step 3: Cross multiply
    13,664.68x = 20,497.98 × 5,347.24
  4. Step 4: Simplify right side
    13,664.68x = 109,607,618.58
  5. Step 5: Solve for x
    x = 109,607,618.58/13,664.68
  6. Step 6: Final answer
    x = 8,021.24

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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.