Home / 16,428.43-22,671.20-8,874.75

Finding the Fourth Proportional to 16,428.43, 22,671.20 and 8,874.75

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Solution

The fourth proportional to 16,428.43, 22,671.20 and 8,874.75 is: 12,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.43 : 22,671.20 = 8,874.75 : x
  2. Step 2: Convert to fraction form
    16,428.43/22,671.20 = 8,874.75/x
  3. Step 3: Cross multiply
    16,428.43x = 22,671.20 × 8,874.75
  4. Step 4: Simplify right side
    16,428.43x = 201,201,254.39
  5. Step 5: Solve for x
    x = 201,201,254.39/16,428.43
  6. Step 6: Final answer
    x = 12,247.14

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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.