Home / 11,990.18-16,546.38-6,685.04

Finding the Fourth Proportional to 11,990.18, 16,546.38 and 6,685.04

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Solution

The fourth proportional to 11,990.18, 16,546.38 and 6,685.04 is: 9,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.18 : 16,546.38 = 6,685.04 : x
  2. Step 2: Convert to fraction form
    11,990.18/16,546.38 = 6,685.04/x
  3. Step 3: Cross multiply
    11,990.18x = 16,546.38 × 6,685.04
  4. Step 4: Simplify right side
    11,990.18x = 110,613,212.16
  5. Step 5: Solve for x
    x = 110,613,212.16/11,990.18
  6. Step 6: Final answer
    x = 9,225.32

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Double scale
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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.