Home / 14,213.80-19,619.94-8,551.72

Finding the Fourth Proportional to 14,213.80, 19,619.94 and 8,551.72

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Solution

The fourth proportional to 14,213.80, 19,619.94 and 8,551.72 is: 11,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.80 : 19,619.94 = 8,551.72 : x
  2. Step 2: Convert to fraction form
    14,213.80/19,619.94 = 8,551.72/x
  3. Step 3: Cross multiply
    14,213.80x = 19,619.94 × 8,551.72
  4. Step 4: Simplify right side
    14,213.80x = 167,784,233.30
  5. Step 5: Solve for x
    x = 167,784,233.30/14,213.80
  6. Step 6: Final answer
    x = 11,804.32

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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.