Home / 16,939.80-23,374.92-9,867.48

Finding the Fourth Proportional to 16,939.80, 23,374.92 and 9,867.48

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Solution

The fourth proportional to 16,939.80, 23,374.92 and 9,867.48 is: 13,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.80 : 23,374.92 = 9,867.48 : x
  2. Step 2: Convert to fraction form
    16,939.80/23,374.92 = 9,867.48/x
  3. Step 3: Cross multiply
    16,939.80x = 23,374.92 × 9,867.48
  4. Step 4: Simplify right side
    16,939.80x = 230,651,555.60
  5. Step 5: Solve for x
    x = 230,651,555.60/16,939.80
  6. Step 6: Final answer
    x = 13,615.96

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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.