Home / 14,150.52-21,229.62-4,290.12

Finding the Fourth Proportional to 14,150.52, 21,229.62 and 4,290.12

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Solution

The fourth proportional to 14,150.52, 21,229.62 and 4,290.12 is: 6,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.52 : 21,229.62 = 4,290.12 : x
  2. Step 2: Convert to fraction form
    14,150.52/21,229.62 = 4,290.12/x
  3. Step 3: Cross multiply
    14,150.52x = 21,229.62 × 4,290.12
  4. Step 4: Simplify right side
    14,150.52x = 91,077,617.35
  5. Step 5: Solve for x
    x = 91,077,617.35/14,150.52
  6. Step 6: Final answer
    x = 6,436.34

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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.