Home / 12,752.38-19,125.69-4,853.26

Finding the Fourth Proportional to 12,752.38, 19,125.69 and 4,853.26

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Solution

The fourth proportional to 12,752.38, 19,125.69 and 4,853.26 is: 7,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.38 : 19,125.69 = 4,853.26 : x
  2. Step 2: Convert to fraction form
    12,752.38/19,125.69 = 4,853.26/x
  3. Step 3: Cross multiply
    12,752.38x = 19,125.69 × 4,853.26
  4. Step 4: Simplify right side
    12,752.38x = 92,821,946.25
  5. Step 5: Solve for x
    x = 92,821,946.25/12,752.38
  6. Step 6: Final answer
    x = 7,278.79

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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.