Home / 19,338.16-28,958.01-12,744.35

Finding the Fourth Proportional to 19,338.16, 28,958.01 and 12,744.35

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Solution

The fourth proportional to 19,338.16, 28,958.01 and 12,744.35 is: 19,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.16 : 28,958.01 = 12,744.35 : x
  2. Step 2: Convert to fraction form
    19,338.16/28,958.01 = 12,744.35/x
  3. Step 3: Cross multiply
    19,338.16x = 28,958.01 × 12,744.35
  4. Step 4: Simplify right side
    19,338.16x = 369,051,093.64
  5. Step 5: Solve for x
    x = 369,051,093.64/19,338.16
  6. Step 6: Final answer
    x = 19,084.09

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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.