Home / 12,250.32-18,371.48-4,853.44

Finding the Fourth Proportional to 12,250.32, 18,371.48 and 4,853.44

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Solution

The fourth proportional to 12,250.32, 18,371.48 and 4,853.44 is: 7,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.32 : 18,371.48 = 4,853.44 : x
  2. Step 2: Convert to fraction form
    12,250.32/18,371.48 = 4,853.44/x
  3. Step 3: Cross multiply
    12,250.32x = 18,371.48 × 4,853.44
  4. Step 4: Simplify right side
    12,250.32x = 89,164,875.89
  5. Step 5: Solve for x
    x = 89,164,875.89/12,250.32
  6. Step 6: Final answer
    x = 7,278.58

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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.