Home / 14,549.18-21,833.31-7,980

Finding the Fourth Proportional to 14,549.18, 21,833.31 and 7,980

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Solution

The fourth proportional to 14,549.18, 21,833.31 and 7,980 is: 11,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.18 : 21,833.31 = 7,980 : x
  2. Step 2: Convert to fraction form
    14,549.18/21,833.31 = 7,980/x
  3. Step 3: Cross multiply
    14,549.18x = 21,833.31 × 7,980
  4. Step 4: Simplify right side
    14,549.18x = 174,229,813.80
  5. Step 5: Solve for x
    x = 174,229,813.80/14,549.18
  6. Step 6: Final answer
    x = 11,975.24

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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.