Home / 12,944.24-19,416.36-8,589.52

Finding the Fourth Proportional to 12,944.24, 19,416.36 and 8,589.52

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Solution

The fourth proportional to 12,944.24, 19,416.36 and 8,589.52 is: 12,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.24 : 19,416.36 = 8,589.52 : x
  2. Step 2: Convert to fraction form
    12,944.24/19,416.36 = 8,589.52/x
  3. Step 3: Cross multiply
    12,944.24x = 19,416.36 × 8,589.52
  4. Step 4: Simplify right side
    12,944.24x = 166,777,212.55
  5. Step 5: Solve for x
    x = 166,777,212.55/12,944.24
  6. Step 6: Final answer
    x = 12,884.28

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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.