Home / 16,992.90-23,449.37-9,439.70

Finding the Fourth Proportional to 16,992.90, 23,449.37 and 9,439.70

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Solution

The fourth proportional to 16,992.90, 23,449.37 and 9,439.70 is: 13,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992.90 : 23,449.37 = 9,439.70 : x
  2. Step 2: Convert to fraction form
    16,992.90/23,449.37 = 9,439.70/x
  3. Step 3: Cross multiply
    16,992.90x = 23,449.37 × 9,439.70
  4. Step 4: Simplify right side
    16,992.90x = 221,354,853.54
  5. Step 5: Solve for x
    x = 221,354,853.54/16,992.90
  6. Step 6: Final answer
    x = 13,026.31

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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.