Home / 19,054.20-28,613-12,854.12

Finding the Fourth Proportional to 19,054.20, 28,613 and 12,854.12

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Solution

The fourth proportional to 19,054.20, 28,613 and 12,854.12 is: 19,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.20 : 28,613 = 12,854.12 : x
  2. Step 2: Convert to fraction form
    19,054.20/28,613 = 12,854.12/x
  3. Step 3: Cross multiply
    19,054.20x = 28,613 × 12,854.12
  4. Step 4: Simplify right side
    19,054.20x = 367,794,935.56
  5. Step 5: Solve for x
    x = 367,794,935.56/19,054.20
  6. Step 6: Final answer
    x = 19,302.57

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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.