Home / 11,680.08-16,118.76-6,712.08

Finding the Fourth Proportional to 11,680.08, 16,118.76 and 6,712.08

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Solution

The fourth proportional to 11,680.08, 16,118.76 and 6,712.08 is: 9,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.08 : 16,118.76 = 6,712.08 : x
  2. Step 2: Convert to fraction form
    11,680.08/16,118.76 = 6,712.08/x
  3. Step 3: Cross multiply
    11,680.08x = 16,118.76 × 6,712.08
  4. Step 4: Simplify right side
    11,680.08x = 108,190,406.62
  5. Step 5: Solve for x
    x = 108,190,406.62/11,680.08
  6. Step 6: Final answer
    x = 9,262.81

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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.