Home / 9,689.80-14,541.92-3,767.62

Finding the Fourth Proportional to 9,689.80, 14,541.92 and 3,767.62

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Solution

The fourth proportional to 9,689.80, 14,541.92 and 3,767.62 is: 5,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.80 : 14,541.92 = 3,767.62 : x
  2. Step 2: Convert to fraction form
    9,689.80/14,541.92 = 3,767.62/x
  3. Step 3: Cross multiply
    9,689.80x = 14,541.92 × 3,767.62
  4. Step 4: Simplify right side
    9,689.80x = 54,788,428.63
  5. Step 5: Solve for x
    x = 54,788,428.63/9,689.80
  6. Step 6: Final answer
    x = 5,654.24

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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.