Home / 10,712.08-14,780.92-6,730.38

Finding the Fourth Proportional to 10,712.08, 14,780.92 and 6,730.38

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Solution

The fourth proportional to 10,712.08, 14,780.92 and 6,730.38 is: 9,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.08 : 14,780.92 = 6,730.38 : x
  2. Step 2: Convert to fraction form
    10,712.08/14,780.92 = 6,730.38/x
  3. Step 3: Cross multiply
    10,712.08x = 14,780.92 × 6,730.38
  4. Step 4: Simplify right side
    10,712.08x = 99,481,100.79
  5. Step 5: Solve for x
    x = 99,481,100.79/10,712.08
  6. Step 6: Final answer
    x = 9,286.81

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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.