Home / 15,945.48-22,002.27-9,229.80

Finding the Fourth Proportional to 15,945.48, 22,002.27 and 9,229.80

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Solution

The fourth proportional to 15,945.48, 22,002.27 and 9,229.80 is: 12,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.48 : 22,002.27 = 9,229.80 : x
  2. Step 2: Convert to fraction form
    15,945.48/22,002.27 = 9,229.80/x
  3. Step 3: Cross multiply
    15,945.48x = 22,002.27 × 9,229.80
  4. Step 4: Simplify right side
    15,945.48x = 203,076,551.65
  5. Step 5: Solve for x
    x = 203,076,551.65/15,945.48
  6. Step 6: Final answer
    x = 12,735.68

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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.