Home / 16,879.90-23,289.52-9,709.44

Finding the Fourth Proportional to 16,879.90, 23,289.52 and 9,709.44

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Solution

The fourth proportional to 16,879.90, 23,289.52 and 9,709.44 is: 13,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.90 : 23,289.52 = 9,709.44 : x
  2. Step 2: Convert to fraction form
    16,879.90/23,289.52 = 9,709.44/x
  3. Step 3: Cross multiply
    16,879.90x = 23,289.52 × 9,709.44
  4. Step 4: Simplify right side
    16,879.90x = 226,128,197.07
  5. Step 5: Solve for x
    x = 226,128,197.07/16,879.90
  6. Step 6: Final answer
    x = 13,396.30

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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.