Home / 12,665.37-18,998.44-4,345.27

Finding the Fourth Proportional to 12,665.37, 18,998.44 and 4,345.27

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Solution

The fourth proportional to 12,665.37, 18,998.44 and 4,345.27 is: 6,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.37 : 18,998.44 = 4,345.27 : x
  2. Step 2: Convert to fraction form
    12,665.37/18,998.44 = 4,345.27/x
  3. Step 3: Cross multiply
    12,665.37x = 18,998.44 × 4,345.27
  4. Step 4: Simplify right side
    12,665.37x = 82,553,260.19
  5. Step 5: Solve for x
    x = 82,553,260.19/12,665.37
  6. Step 6: Final answer
    x = 6,518.03

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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.