Home / 16,428.47-22,671.26-8,874.80

Finding the Fourth Proportional to 16,428.47, 22,671.26 and 8,874.80

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Solution

The fourth proportional to 16,428.47, 22,671.26 and 8,874.80 is: 12,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.47 : 22,671.26 = 8,874.80 : x
  2. Step 2: Convert to fraction form
    16,428.47/22,671.26 = 8,874.80/x
  3. Step 3: Cross multiply
    16,428.47x = 22,671.26 × 8,874.80
  4. Step 4: Simplify right side
    16,428.47x = 201,202,740.52
  5. Step 5: Solve for x
    x = 201,202,740.52/16,428.47
  6. Step 6: Final answer
    x = 12,247.20

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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.