Home / 9,689.84-14,537.12-2,764.36

Finding the Fourth Proportional to 9,689.84, 14,537.12 and 2,764.36

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Solution

The fourth proportional to 9,689.84, 14,537.12 and 2,764.36 is: 4,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.84 : 14,537.12 = 2,764.36 : x
  2. Step 2: Convert to fraction form
    9,689.84/14,537.12 = 2,764.36/x
  3. Step 3: Cross multiply
    9,689.84x = 14,537.12 × 2,764.36
  4. Step 4: Simplify right side
    9,689.84x = 40,185,833.04
  5. Step 5: Solve for x
    x = 40,185,833.04/9,689.84
  6. Step 6: Final answer
    x = 4,147.21

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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.