Home / 13,977.27-19,286.24-8,009.19

Finding the Fourth Proportional to 13,977.27, 19,286.24 and 8,009.19

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Solution

The fourth proportional to 13,977.27, 19,286.24 and 8,009.19 is: 11,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.27 : 19,286.24 = 8,009.19 : x
  2. Step 2: Convert to fraction form
    13,977.27/19,286.24 = 8,009.19/x
  3. Step 3: Cross multiply
    13,977.27x = 19,286.24 × 8,009.19
  4. Step 4: Simplify right side
    13,977.27x = 154,467,120.50
  5. Step 5: Solve for x
    x = 154,467,120.50/13,977.27
  6. Step 6: Final answer
    x = 11,051.31

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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.