Home / 13,914.08-20,853.84-6,508.88

Finding the Fourth Proportional to 13,914.08, 20,853.84 and 6,508.88

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Solution

The fourth proportional to 13,914.08, 20,853.84 and 6,508.88 is: 9,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.08 : 20,853.84 = 6,508.88 : x
  2. Step 2: Convert to fraction form
    13,914.08/20,853.84 = 6,508.88/x
  3. Step 3: Cross multiply
    13,914.08x = 20,853.84 × 6,508.88
  4. Step 4: Simplify right side
    13,914.08x = 135,735,142.10
  5. Step 5: Solve for x
    x = 135,735,142.10/13,914.08
  6. Step 6: Final answer
    x = 9,755.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.