Home / 9,219.44-12,723-5,027.84

Finding the Fourth Proportional to 9,219.44, 12,723 and 5,027.84

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Solution

The fourth proportional to 9,219.44, 12,723 and 5,027.84 is: 6,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.44 : 12,723 = 5,027.84 : x
  2. Step 2: Convert to fraction form
    9,219.44/12,723 = 5,027.84/x
  3. Step 3: Cross multiply
    9,219.44x = 12,723 × 5,027.84
  4. Step 4: Simplify right side
    9,219.44x = 63,969,208.32
  5. Step 5: Solve for x
    x = 63,969,208.32/9,219.44
  6. Step 6: Final answer
    x = 6,938.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.