Home / 16,679.31-23,013.67-9,963.62

Finding the Fourth Proportional to 16,679.31, 23,013.67 and 9,963.62

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Solution

The fourth proportional to 16,679.31, 23,013.67 and 9,963.62 is: 13,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.31 : 23,013.67 = 9,963.62 : x
  2. Step 2: Convert to fraction form
    16,679.31/23,013.67 = 9,963.62/x
  3. Step 3: Cross multiply
    16,679.31x = 23,013.67 × 9,963.62
  4. Step 4: Simplify right side
    16,679.31x = 229,299,347.62
  5. Step 5: Solve for x
    x = 229,299,347.62/16,679.31
  6. Step 6: Final answer
    x = 13,747.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.