Home / 14,352.03-21,528.45-3,963.78

Finding the Fourth Proportional to 14,352.03, 21,528.45 and 3,963.78

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Solution

The fourth proportional to 14,352.03, 21,528.45 and 3,963.78 is: 5,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.03 : 21,528.45 = 3,963.78 : x
  2. Step 2: Convert to fraction form
    14,352.03/21,528.45 = 3,963.78/x
  3. Step 3: Cross multiply
    14,352.03x = 21,528.45 × 3,963.78
  4. Step 4: Simplify right side
    14,352.03x = 85,334,039.54
  5. Step 5: Solve for x
    x = 85,334,039.54/14,352.03
  6. Step 6: Final answer
    x = 5,945.78

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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.