Home / 9,219.96-12,723.62-5,028.21

Finding the Fourth Proportional to 9,219.96, 12,723.62 and 5,028.21

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Solution

The fourth proportional to 9,219.96, 12,723.62 and 5,028.21 is: 6,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.96 : 12,723.62 = 5,028.21 : x
  2. Step 2: Convert to fraction form
    9,219.96/12,723.62 = 5,028.21/x
  3. Step 3: Cross multiply
    9,219.96x = 12,723.62 × 5,028.21
  4. Step 4: Simplify right side
    9,219.96x = 63,977,008.18
  5. Step 5: Solve for x
    x = 63,977,008.18/9,219.96
  6. Step 6: Final answer
    x = 6,938.97

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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.