Home / 12,028.56-16,599.12-6,724

Finding the Fourth Proportional to 12,028.56, 16,599.12 and 6,724

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Solution

The fourth proportional to 12,028.56, 16,599.12 and 6,724 is: 9,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.56 : 16,599.12 = 6,724 : x
  2. Step 2: Convert to fraction form
    12,028.56/16,599.12 = 6,724/x
  3. Step 3: Cross multiply
    12,028.56x = 16,599.12 × 6,724
  4. Step 4: Simplify right side
    12,028.56x = 111,612,482.88
  5. Step 5: Solve for x
    x = 111,612,482.88/12,028.56
  6. Step 6: Final answer
    x = 9,278.96

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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.