Home / 12,446.08-18,665.34-5,865.64

Finding the Fourth Proportional to 12,446.08, 18,665.34 and 5,865.64

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Solution

The fourth proportional to 12,446.08, 18,665.34 and 5,865.64 is: 8,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.08 : 18,665.34 = 5,865.64 : x
  2. Step 2: Convert to fraction form
    12,446.08/18,665.34 = 5,865.64/x
  3. Step 3: Cross multiply
    12,446.08x = 18,665.34 × 5,865.64
  4. Step 4: Simplify right side
    12,446.08x = 109,484,164.92
  5. Step 5: Solve for x
    x = 109,484,164.92/12,446.08
  6. Step 6: Final answer
    x = 8,796.68

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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.