Home / 11,069.16-16,605.30-4,143

Finding the Fourth Proportional to 11,069.16, 16,605.30 and 4,143

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Solution

The fourth proportional to 11,069.16, 16,605.30 and 4,143 is: 6,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.16 : 16,605.30 = 4,143 : x
  2. Step 2: Convert to fraction form
    11,069.16/16,605.30 = 4,143/x
  3. Step 3: Cross multiply
    11,069.16x = 16,605.30 × 4,143
  4. Step 4: Simplify right side
    11,069.16x = 68,795,757.90
  5. Step 5: Solve for x
    x = 68,795,757.90/11,069.16
  6. Step 6: Final answer
    x = 6,215.08

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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.