Home / 14,208.36-21,316.72-6,819.04

Finding the Fourth Proportional to 14,208.36, 21,316.72 and 6,819.04

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Solution

The fourth proportional to 14,208.36, 21,316.72 and 6,819.04 is: 10,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.36 : 21,316.72 = 6,819.04 : x
  2. Step 2: Convert to fraction form
    14,208.36/21,316.72 = 6,819.04/x
  3. Step 3: Cross multiply
    14,208.36x = 21,316.72 × 6,819.04
  4. Step 4: Simplify right side
    14,208.36x = 145,359,468.83
  5. Step 5: Solve for x
    x = 145,359,468.83/14,208.36
  6. Step 6: Final answer
    x = 10,230.56

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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.