Home / 16,814.72-23,203.20-9,739.88

Finding the Fourth Proportional to 16,814.72, 23,203.20 and 9,739.88

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Solution

The fourth proportional to 16,814.72, 23,203.20 and 9,739.88 is: 13,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.72 : 23,203.20 = 9,739.88 : x
  2. Step 2: Convert to fraction form
    16,814.72/23,203.20 = 9,739.88/x
  3. Step 3: Cross multiply
    16,814.72x = 23,203.20 × 9,739.88
  4. Step 4: Simplify right side
    16,814.72x = 225,996,383.62
  5. Step 5: Solve for x
    x = 225,996,383.62/16,814.72
  6. Step 6: Final answer
    x = 13,440.39

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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.