Home / 14,395.08-19,866.96-8,107.86

Finding the Fourth Proportional to 14,395.08, 19,866.96 and 8,107.86

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Solution

The fourth proportional to 14,395.08, 19,866.96 and 8,107.86 is: 11,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.08 : 19,866.96 = 8,107.86 : x
  2. Step 2: Convert to fraction form
    14,395.08/19,866.96 = 8,107.86/x
  3. Step 3: Cross multiply
    14,395.08x = 19,866.96 × 8,107.86
  4. Step 4: Simplify right side
    14,395.08x = 161,078,530.31
  5. Step 5: Solve for x
    x = 161,078,530.31/14,395.08
  6. Step 6: Final answer
    x = 11,189.83

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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.