Home / 14,326.06-21,489.10-3,938.62

Finding the Fourth Proportional to 14,326.06, 21,489.10 and 3,938.62

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Solution

The fourth proportional to 14,326.06, 21,489.10 and 3,938.62 is: 5,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.06 : 21,489.10 = 3,938.62 : x
  2. Step 2: Convert to fraction form
    14,326.06/21,489.10 = 3,938.62/x
  3. Step 3: Cross multiply
    14,326.06x = 21,489.10 × 3,938.62
  4. Step 4: Simplify right side
    14,326.06x = 84,637,399.04
  5. Step 5: Solve for x
    x = 84,637,399.04/14,326.06
  6. Step 6: Final answer
    x = 5,907.93

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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.