Home / 12,864.64-19,294.27-3,628.48

Finding the Fourth Proportional to 12,864.64, 19,294.27 and 3,628.48

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Solution

The fourth proportional to 12,864.64, 19,294.27 and 3,628.48 is: 5,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.64 : 19,294.27 = 3,628.48 : x
  2. Step 2: Convert to fraction form
    12,864.64/19,294.27 = 3,628.48/x
  3. Step 3: Cross multiply
    12,864.64x = 19,294.27 × 3,628.48
  4. Step 4: Simplify right side
    12,864.64x = 70,008,944.75
  5. Step 5: Solve for x
    x = 70,008,944.75/12,864.64
  6. Step 6: Final answer
    x = 5,441.97

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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.