Home / 13,914.80-19,199.58-8,247.05

Finding the Fourth Proportional to 13,914.80, 19,199.58 and 8,247.05

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Solution

The fourth proportional to 13,914.80, 19,199.58 and 8,247.05 is: 11,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.80 : 19,199.58 = 8,247.05 : x
  2. Step 2: Convert to fraction form
    13,914.80/19,199.58 = 8,247.05/x
  3. Step 3: Cross multiply
    13,914.80x = 19,199.58 × 8,247.05
  4. Step 4: Simplify right side
    13,914.80x = 158,339,800.24
  5. Step 5: Solve for x
    x = 158,339,800.24/13,914.80
  6. Step 6: Final answer
    x = 11,379.24

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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.