Home / 16,958.54-23,403.06-9,405.18

Finding the Fourth Proportional to 16,958.54, 23,403.06 and 9,405.18

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Solution

The fourth proportional to 16,958.54, 23,403.06 and 9,405.18 is: 12,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.54 : 23,403.06 = 9,405.18 : x
  2. Step 2: Convert to fraction form
    16,958.54/23,403.06 = 9,405.18/x
  3. Step 3: Cross multiply
    16,958.54x = 23,403.06 × 9,405.18
  4. Step 4: Simplify right side
    16,958.54x = 220,109,991.85
  5. Step 5: Solve for x
    x = 220,109,991.85/16,958.54
  6. Step 6: Final answer
    x = 12,979.30

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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.