Home / 18,690.08-25,791.66-10,306.52

Finding the Fourth Proportional to 18,690.08, 25,791.66 and 10,306.52

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Solution

The fourth proportional to 18,690.08, 25,791.66 and 10,306.52 is: 14,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.08 : 25,791.66 = 10,306.52 : x
  2. Step 2: Convert to fraction form
    18,690.08/25,791.66 = 10,306.52/x
  3. Step 3: Cross multiply
    18,690.08x = 25,791.66 × 10,306.52
  4. Step 4: Simplify right side
    18,690.08x = 265,822,259.62
  5. Step 5: Solve for x
    x = 265,822,259.62/18,690.08
  6. Step 6: Final answer
    x = 14,222.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.