Home / 10,149.30-14,005.26-6,169.86

Finding the Fourth Proportional to 10,149.30, 14,005.26 and 6,169.86

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Solution

The fourth proportional to 10,149.30, 14,005.26 and 6,169.86 is: 8,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.30 : 14,005.26 = 6,169.86 : x
  2. Step 2: Convert to fraction form
    10,149.30/14,005.26 = 6,169.86/x
  3. Step 3: Cross multiply
    10,149.30x = 14,005.26 × 6,169.86
  4. Step 4: Simplify right side
    10,149.30x = 86,410,493.46
  5. Step 5: Solve for x
    x = 86,410,493.46/10,149.30
  6. Step 6: Final answer
    x = 8,513.94

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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.