Home / 10,864.38-14,992.91-6,149.64

Finding the Fourth Proportional to 10,864.38, 14,992.91 and 6,149.64

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Solution

The fourth proportional to 10,864.38, 14,992.91 and 6,149.64 is: 8,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.38 : 14,992.91 = 6,149.64 : x
  2. Step 2: Convert to fraction form
    10,864.38/14,992.91 = 6,149.64/x
  3. Step 3: Cross multiply
    10,864.38x = 14,992.91 × 6,149.64
  4. Step 4: Simplify right side
    10,864.38x = 92,200,999.05
  5. Step 5: Solve for x
    x = 92,200,999.05/10,864.38
  6. Step 6: Final answer
    x = 8,486.54

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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.