Home / 16,428.11-22,670.79-8,874.44

Finding the Fourth Proportional to 16,428.11, 22,670.79 and 8,874.44

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Solution

The fourth proportional to 16,428.11, 22,670.79 and 8,874.44 is: 12,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.11 : 22,670.79 = 8,874.44 : x
  2. Step 2: Convert to fraction form
    16,428.11/22,670.79 = 8,874.44/x
  3. Step 3: Cross multiply
    16,428.11x = 22,670.79 × 8,874.44
  4. Step 4: Simplify right side
    16,428.11x = 201,190,565.61
  5. Step 5: Solve for x
    x = 201,190,565.61/16,428.11
  6. Step 6: Final answer
    x = 12,246.73

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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.