Home / 16,289.48-22,481.88-10,321.70

Finding the Fourth Proportional to 16,289.48, 22,481.88 and 10,321.70

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Solution

The fourth proportional to 16,289.48, 22,481.88 and 10,321.70 is: 14,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.48 : 22,481.88 = 10,321.70 : x
  2. Step 2: Convert to fraction form
    16,289.48/22,481.88 = 10,321.70/x
  3. Step 3: Cross multiply
    16,289.48x = 22,481.88 × 10,321.70
  4. Step 4: Simplify right side
    16,289.48x = 232,051,220.80
  5. Step 5: Solve for x
    x = 232,051,220.80/16,289.48
  6. Step 6: Final answer
    x = 14,245.47

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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.