Home / 22,276.18-30,739.80-12,202.84

Finding the Fourth Proportional to 22,276.18, 30,739.80 and 12,202.84

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Solution

The fourth proportional to 22,276.18, 30,739.80 and 12,202.84 is: 16,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.18 : 30,739.80 = 12,202.84 : x
  2. Step 2: Convert to fraction form
    22,276.18/30,739.80 = 12,202.84/x
  3. Step 3: Cross multiply
    22,276.18x = 30,739.80 × 12,202.84
  4. Step 4: Simplify right side
    22,276.18x = 375,112,861.03
  5. Step 5: Solve for x
    x = 375,112,861.03/22,276.18
  6. Step 6: Final answer
    x = 16,839.19

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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.