Home / 12,924.90-19,390.05-4,165.83

Finding the Fourth Proportional to 12,924.90, 19,390.05 and 4,165.83

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Solution

The fourth proportional to 12,924.90, 19,390.05 and 4,165.83 is: 6,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.90 : 19,390.05 = 4,165.83 : x
  2. Step 2: Convert to fraction form
    12,924.90/19,390.05 = 4,165.83/x
  3. Step 3: Cross multiply
    12,924.90x = 19,390.05 × 4,165.83
  4. Step 4: Simplify right side
    12,924.90x = 80,775,651.99
  5. Step 5: Solve for x
    x = 80,775,651.99/12,924.90
  6. Step 6: Final answer
    x = 6,249.62

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Double scale
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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.