Home / 22,302.21-30,777.03-12,230.81

Finding the Fourth Proportional to 22,302.21, 30,777.03 and 12,230.81

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Solution

The fourth proportional to 22,302.21, 30,777.03 and 12,230.81 is: 16,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.21 : 30,777.03 = 12,230.81 : x
  2. Step 2: Convert to fraction form
    22,302.21/30,777.03 = 12,230.81/x
  3. Step 3: Cross multiply
    22,302.21x = 30,777.03 × 12,230.81
  4. Step 4: Simplify right side
    22,302.21x = 376,428,006.29
  5. Step 5: Solve for x
    x = 376,428,006.29/22,302.21
  6. Step 6: Final answer
    x = 16,878.51

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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.