Home / 11,818.50-17,727.75-4,893.18

Finding the Fourth Proportional to 11,818.50, 17,727.75 and 4,893.18

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Solution

The fourth proportional to 11,818.50, 17,727.75 and 4,893.18 is: 7,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.50 : 17,727.75 = 4,893.18 : x
  2. Step 2: Convert to fraction form
    11,818.50/17,727.75 = 4,893.18/x
  3. Step 3: Cross multiply
    11,818.50x = 17,727.75 × 4,893.18
  4. Step 4: Simplify right side
    11,818.50x = 86,745,071.75
  5. Step 5: Solve for x
    x = 86,745,071.75/11,818.50
  6. Step 6: Final answer
    x = 7,339.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.