Home / 10,864.13-14,992.49-6,149.93

Finding the Fourth Proportional to 10,864.13, 14,992.49 and 6,149.93

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Solution

The fourth proportional to 10,864.13, 14,992.49 and 6,149.93 is: 8,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.13 : 14,992.49 = 6,149.93 : x
  2. Step 2: Convert to fraction form
    10,864.13/14,992.49 = 6,149.93/x
  3. Step 3: Cross multiply
    10,864.13x = 14,992.49 × 6,149.93
  4. Step 4: Simplify right side
    10,864.13x = 92,202,704.44
  5. Step 5: Solve for x
    x = 92,202,704.44/10,864.13
  6. Step 6: Final answer
    x = 8,486.90

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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.