Home / 8,238.48-12,357.68-1,998.50

Finding the Fourth Proportional to 8,238.48, 12,357.68 and 1,998.50

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Solution

The fourth proportional to 8,238.48, 12,357.68 and 1,998.50 is: 2,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.48 : 12,357.68 = 1,998.50 : x
  2. Step 2: Convert to fraction form
    8,238.48/12,357.68 = 1,998.50/x
  3. Step 3: Cross multiply
    8,238.48x = 12,357.68 × 1,998.50
  4. Step 4: Simplify right side
    8,238.48x = 24,696,751.70
  5. Step 5: Solve for x
    x = 24,696,751.70/8,238.48
  6. Step 6: Final answer
    x = 2,997.73

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,239.48, 12,359.17 and 1,999.50
Similar ratio
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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.