Home / 12,634.27-18,953.68-5,239.32

Finding the Fourth Proportional to 12,634.27, 18,953.68 and 5,239.32

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Solution

The fourth proportional to 12,634.27, 18,953.68 and 5,239.32 is: 7,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.27 : 18,953.68 = 5,239.32 : x
  2. Step 2: Convert to fraction form
    12,634.27/18,953.68 = 5,239.32/x
  3. Step 3: Cross multiply
    12,634.27x = 18,953.68 × 5,239.32
  4. Step 4: Simplify right side
    12,634.27x = 99,304,394.70
  5. Step 5: Solve for x
    x = 99,304,394.70/12,634.27
  6. Step 6: Final answer
    x = 7,859.92

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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.