Home / 13,282-19,926.51-6,620.46

Finding the Fourth Proportional to 13,282, 19,926.51 and 6,620.46

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Solution

The fourth proportional to 13,282, 19,926.51 and 6,620.46 is: 9,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282 : 19,926.51 = 6,620.46 : x
  2. Step 2: Convert to fraction form
    13,282/19,926.51 = 6,620.46/x
  3. Step 3: Cross multiply
    13,282x = 19,926.51 × 6,620.46
  4. Step 4: Simplify right side
    13,282x = 131,922,662.39
  5. Step 5: Solve for x
    x = 131,922,662.39/13,282
  6. Step 6: Final answer
    x = 9,932.44

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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.