Home / 12,755.03-19,124.71-4,431.47

Finding the Fourth Proportional to 12,755.03, 19,124.71 and 4,431.47

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Solution

The fourth proportional to 12,755.03, 19,124.71 and 4,431.47 is: 6,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.03 : 19,124.71 = 4,431.47 : x
  2. Step 2: Convert to fraction form
    12,755.03/19,124.71 = 4,431.47/x
  3. Step 3: Cross multiply
    12,755.03x = 19,124.71 × 4,431.47
  4. Step 4: Simplify right side
    12,755.03x = 84,750,578.62
  5. Step 5: Solve for x
    x = 84,750,578.62/12,755.03
  6. Step 6: Final answer
    x = 6,644.48

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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.