Home / 16,929.80-23,351.56-11,615.39

Finding the Fourth Proportional to 16,929.80, 23,351.56 and 11,615.39

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Solution

The fourth proportional to 16,929.80, 23,351.56 and 11,615.39 is: 16,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.80 : 23,351.56 = 11,615.39 : x
  2. Step 2: Convert to fraction form
    16,929.80/23,351.56 = 11,615.39/x
  3. Step 3: Cross multiply
    16,929.80x = 23,351.56 × 11,615.39
  4. Step 4: Simplify right side
    16,929.80x = 271,237,491.03
  5. Step 5: Solve for x
    x = 271,237,491.03/16,929.80
  6. Step 6: Final answer
    x = 16,021.31

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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.