Home / 22,331.30-30,816.99-12,259.49

Finding the Fourth Proportional to 22,331.30, 30,816.99 and 12,259.49

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Solution

The fourth proportional to 22,331.30, 30,816.99 and 12,259.49 is: 16,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.30 : 30,816.99 = 12,259.49 : x
  2. Step 2: Convert to fraction form
    22,331.30/30,816.99 = 12,259.49/x
  3. Step 3: Cross multiply
    22,331.30x = 30,816.99 × 12,259.49
  4. Step 4: Simplify right side
    22,331.30x = 377,800,426.65
  5. Step 5: Solve for x
    x = 377,800,426.65/22,331.30
  6. Step 6: Final answer
    x = 16,917.98

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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.