Home / 14,359.68-21,539.52-3,971.52

Finding the Fourth Proportional to 14,359.68, 21,539.52 and 3,971.52

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Solution

The fourth proportional to 14,359.68, 21,539.52 and 3,971.52 is: 5,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.68 : 21,539.52 = 3,971.52 : x
  2. Step 2: Convert to fraction form
    14,359.68/21,539.52 = 3,971.52/x
  3. Step 3: Cross multiply
    14,359.68x = 21,539.52 × 3,971.52
  4. Step 4: Simplify right side
    14,359.68x = 85,544,634.47
  5. Step 5: Solve for x
    x = 85,544,634.47/14,359.68
  6. Step 6: Final answer
    x = 5,957.28

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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.