Home / 12,229.80-18,343.86-3,464.28

Finding the Fourth Proportional to 12,229.80, 18,343.86 and 3,464.28

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Solution

The fourth proportional to 12,229.80, 18,343.86 and 3,464.28 is: 5,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.80 : 18,343.86 = 3,464.28 : x
  2. Step 2: Convert to fraction form
    12,229.80/18,343.86 = 3,464.28/x
  3. Step 3: Cross multiply
    12,229.80x = 18,343.86 × 3,464.28
  4. Step 4: Simplify right side
    12,229.80x = 63,548,267.32
  5. Step 5: Solve for x
    x = 63,548,267.32/12,229.80
  6. Step 6: Final answer
    x = 5,196.18

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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.