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Finding the Fourth Proportional to 14,844.87, 20,480.04 and 8,874.36

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Solution

The fourth proportional to 14,844.87, 20,480.04 and 8,874.36 is: 12,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.87 : 20,480.04 = 8,874.36 : x
  2. Step 2: Convert to fraction form
    14,844.87/20,480.04 = 8,874.36/x
  3. Step 3: Cross multiply
    14,844.87x = 20,480.04 × 8,874.36
  4. Step 4: Simplify right side
    14,844.87x = 181,747,247.77
  5. Step 5: Solve for x
    x = 181,747,247.77/14,844.87
  6. Step 6: Final answer
    x = 12,243.10

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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.