Home / 12,253.82-18,351.12-6,972.83

Finding the Fourth Proportional to 12,253.82, 18,351.12 and 6,972.83

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Solution

The fourth proportional to 12,253.82, 18,351.12 and 6,972.83 is: 10,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.82 : 18,351.12 = 6,972.83 : x
  2. Step 2: Convert to fraction form
    12,253.82/18,351.12 = 6,972.83/x
  3. Step 3: Cross multiply
    12,253.82x = 18,351.12 × 6,972.83
  4. Step 4: Simplify right side
    12,253.82x = 127,959,240.07
  5. Step 5: Solve for x
    x = 127,959,240.07/12,253.82
  6. Step 6: Final answer
    x = 10,442.40

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1.5x scale

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.