Home / 22,302.02-30,776.55-12,230.43

Finding the Fourth Proportional to 22,302.02, 30,776.55 and 12,230.43

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Solution

The fourth proportional to 22,302.02, 30,776.55 and 12,230.43 is: 16,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.02 : 30,776.55 = 12,230.43 : x
  2. Step 2: Convert to fraction form
    22,302.02/30,776.55 = 12,230.43/x
  3. Step 3: Cross multiply
    22,302.02x = 30,776.55 × 12,230.43
  4. Step 4: Simplify right side
    22,302.02x = 376,410,440.42
  5. Step 5: Solve for x
    x = 376,410,440.42/22,302.02
  6. Step 6: Final answer
    x = 16,877.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.