Home / 14,217.60-21,326.38-3,829.36

Finding the Fourth Proportional to 14,217.60, 21,326.38 and 3,829.36

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Solution

The fourth proportional to 14,217.60, 21,326.38 and 3,829.36 is: 5,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.60 : 21,326.38 = 3,829.36 : x
  2. Step 2: Convert to fraction form
    14,217.60/21,326.38 = 3,829.36/x
  3. Step 3: Cross multiply
    14,217.60x = 21,326.38 × 3,829.36
  4. Step 4: Simplify right side
    14,217.60x = 81,666,386.52
  5. Step 5: Solve for x
    x = 81,666,386.52/14,217.60
  6. Step 6: Final answer
    x = 5,744.03

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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.