Home / 8,238.69-12,357.93-1,998.75

Finding the Fourth Proportional to 8,238.69, 12,357.93 and 1,998.75

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Solution

The fourth proportional to 8,238.69, 12,357.93 and 1,998.75 is: 2,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.69 : 12,357.93 = 1,998.75 : x
  2. Step 2: Convert to fraction form
    8,238.69/12,357.93 = 1,998.75/x
  3. Step 3: Cross multiply
    8,238.69x = 12,357.93 × 1,998.75
  4. Step 4: Simplify right side
    8,238.69x = 24,700,412.59
  5. Step 5: Solve for x
    x = 24,700,412.59/8,238.69
  6. Step 6: Final answer
    x = 2,998.10

Related Problems

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Half scale
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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.