Home / 12,723.08-19,086.36-4,400.86

Finding the Fourth Proportional to 12,723.08, 19,086.36 and 4,400.86

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Solution

The fourth proportional to 12,723.08, 19,086.36 and 4,400.86 is: 6,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.08 : 19,086.36 = 4,400.86 : x
  2. Step 2: Convert to fraction form
    12,723.08/19,086.36 = 4,400.86/x
  3. Step 3: Cross multiply
    12,723.08x = 19,086.36 × 4,400.86
  4. Step 4: Simplify right side
    12,723.08x = 83,996,398.27
  5. Step 5: Solve for x
    x = 83,996,398.27/12,723.08
  6. Step 6: Final answer
    x = 6,601.89

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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.